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B1 Adverb #42 よく出る 12分で読める

unexpectedly

At the A1 level, we can think of 'unexpectedly' as a big word for a simple idea: a surprise! Imagine you are walking in the park and suddenly it starts to rain, but the sun was shining just a minute ago. You can say the rain started unexpectedly. It means you did not think it would happen. Think about a birthday party. If your friends hide in the dark and then jump out and shout 'Surprise!', they arrived unexpectedly for you. You did not know they were there. This word helps you tell stories about things that were not in your plan. Even though it is a long word, you can remember it by thinking of 'not' (un-) and 'expected' (something you think will happen). If you have a cat and it jumps on your lap while you are sleeping, it happens unexpectedly. You were not ready for it. It is a good word to use when you want to show that you are surprised by something that happened in your day. For example, 'I unexpectedly found a sweet in my pocket.' You didn't know it was there, and now you are happy! Using this word makes your English sound more interesting because you are talking about your feelings and things that change quickly. Don't worry about the long spelling; just remember it means 'a surprise happened.'
At the A2 level, you are starting to use more descriptive words to explain your daily life. 'Unexpectedly' is an adverb that you use to describe an action that was not planned or predicted. It is very useful when you are talking about your schedule or things that happen to you. For example, if you are at work and your boss asks you to stay late, but you thought you would go home at 5 PM, you can say, 'I unexpectedly had to work late.' This tells people that it wasn't your choice and it wasn't in your plan. You can also use it to describe the weather, which is a very common topic. 'The weather changed unexpectedly from sunny to cloudy.' This is better than just saying 'The weather changed' because it shows that the change was a surprise. You will often see this word in simple stories or news reports. It usually comes before the verb, like 'He unexpectedly arrived,' or at the end of the sentence, like 'The movie ended unexpectedly.' Remember that it is different from 'suddenly.' 'Suddenly' is about how fast something happens. 'Unexpectedly' is about the fact that you didn't know it was going to happen. If you find some money on the street, it is unexpected. If a car stops fast, it is sudden. Try using 'unexpectedly' when you talk about your weekend or your school day to make your sentences more detailed.
As a B1 learner, you should be comfortable using 'unexpectedly' to add nuance to your descriptions of events and situations. This adverb is essential for explaining deviations from a plan or a standard expectation. In a professional or academic setting, it allows you to describe changes in a neutral way. For instance, 'The project costs increased unexpectedly' suggests that while there was a budget, new factors arose that were not foreseen. It is also frequently used to modify adjectives, which is a key skill at this level. You might say a task was 'unexpectedly difficult' or a book was 'unexpectedly interesting.' This shows that you had a prior opinion or expectation that was challenged by reality. Grammatically, you should pay attention to its placement. It often appears between the subject and the main verb ('The bus unexpectedly stopped') or after the first auxiliary verb ('The meeting has unexpectedly been cancelled'). Using 'unexpectedly' helps you move beyond simple descriptions and start discussing the relationship between events and expectations. It is a common word in news articles and literature, so recognizing it will help your reading comprehension. It also helps you express a range of emotions, from pleasant surprise to frustration, depending on the context. For example, 'I unexpectedly won the prize' (happy) versus 'The car unexpectedly broke down' (frustrated).
At the B2 level, 'unexpectedly' becomes a tool for more sophisticated narrative and analytical writing. You can use it to create contrast and to highlight the complexity of a situation. For example, in an essay about social trends, you might write, 'While many predicted a decline in traditional media, radio listenership has unexpectedly remained stable.' Here, the word 'unexpectedly' serves as a pivot, contrasting a common prediction with a surprising reality. You should also be aware of the word's register. It is a neutral-to-formal word, making it suitable for business reports, news journalism, and academic papers. At this level, you can also start to distinguish it more clearly from its synonyms. While 'suddenly' describes the temporal quality of an event (it happened quickly), 'unexpectedly' describes the epistemic quality (it was not known or predicted). You might use 'unexpectedly' to describe a long-term trend that no one saw coming, whereas 'suddenly' would be inappropriate for a slow-moving change. Furthermore, you can use it to modify other adverbs or complex adjective phrases, such as 'The results were unexpectedly well-received by the board.' This shows a high level of control over adverbial modification. In speaking, using 'unexpectedly' can help you sound more precise and professional, especially when explaining anomalies or surprises in a presentation or a formal discussion.
For C1 learners, 'unexpectedly' is a versatile adverb that can be used to provide subtle commentary on the predictability of events within a complex system. It is often used in high-level discourse to discuss statistical outliers, historical pivots, or psychological reactions. For instance, in a historical analysis, one might observe that 'The revolution broke out unexpectedly, despite the apparent stability of the regime.' This usage implies a deeper critique of the observers' failure to read the underlying signs of unrest. At this level, you should also be comfortable with its use in various syntactic positions to achieve different rhetorical effects. Placing it at the beginning of a sentence ('Unexpectedly, the data revealed a correlation...') can serve as a powerful 'hook' in academic writing. You should also explore its use in the passive voice and with modal verbs to express degrees of surprise or lack of foresight ('The outcome could not have been more unexpectedly positive'). Furthermore, C1 students should be able to navigate the nuances between 'unexpectedly' and more specialized terms like 'fortuitously,' 'serendipitously,' or 'unforeseenly.' While 'unexpectedly' is the broad term, these alternatives allow for more precise descriptions of the nature of the surprise—whether it was lucky, accidental, or a failure of planning. Mastery of this word at the C1 level involves not just knowing its meaning, but using it to frame narratives and arguments in a way that highlights the tension between expectation and reality.
At the C2 level, 'unexpectedly' is used with a high degree of precision to explore the boundaries of human foresight and the inherent unpredictability of complex phenomena. In philosophical or highly academic contexts, it can be used to discuss the 'black swan' events that defy standard probabilistic models. For example, 'The system collapsed unexpectedly, exposing the fragility of its underlying assumptions.' Here, the word carries a weight of systemic critique. C2 learners should also be adept at using the word in highly nuanced literary contexts, where it can be used to subvert reader expectations or to describe internal psychological shifts that the character themselves does not fully understand. 'She found herself unexpectedly complicit in the very scheme she had sought to expose.' This usage shows a deep understanding of how adverbs can modify the moral or psychological state of a subject. Furthermore, you should be able to use 'unexpectedly' in conjunction with complex grammatical structures, such as cleft sentences or inversion, for stylistic emphasis ('It was unexpectedly that the truth finally came to light'). You should also be sensitive to the word's collocation with abstract nouns and verbs, such as 'unexpectedly divergent' or 'unexpectedly salient.' At this level, the word is not just a descriptor of surprise, but a sophisticated tool for analyzing the gap between human models of the world and the world's actual, often chaotic, behavior. Your use of the word should reflect an awareness of its power to reframe an entire narrative or argument by introducing the element of the unforeseen.
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unexpectedly 30秒で

  • Unexpectedly is an adverb used to describe events that happen without prior warning or prediction, catching people by surprise and deviating from their plans.
  • It can modify verbs to show surprise in action, or adjectives to show that a quality (like difficulty or price) was different than anticipated.
  • While similar to 'suddenly', it focuses on the lack of expectation rather than the speed of the event, making it more about information than time.
  • It is a versatile word used in everything from casual stories to formal news reports and academic research to highlight anomalies and surprises.

The adverb unexpectedly serves as a powerful linguistic tool to signal a deviation from the anticipated path of events. At its core, it describes an occurrence that catches observers off guard because there was no prior evidence, warning, or logical progression leading to that specific moment. In human psychology, we build mental models of how the world works; when something happens unexpectedly, it forces a rapid update of those models. This word is not merely about the event itself, but about the relationship between the event and the observer's expectations. It is frequently used in storytelling to create tension, in news reporting to highlight market shifts or political changes, and in daily conversation to share personal surprises. Whether it is a friend showing up at your door without a call or a sudden change in the weather during a clear summer day, the word captures that precise moment of 'not seeing it coming.'

Linguistic Function
As an adverb of manner or sentence adverb, it modifies the entire proposition or the specific action to indicate the surprising nature of the timing or occurrence.

The stock market prices dropped unexpectedly after the CEO's announcement.

In professional contexts, the word often carries a weight of gravity. If a project deadline is moved unexpectedly, it implies a disruption to the workflow. In casual settings, it can be more lighthearted, such as finding a twenty-dollar bill in an old jacket. The nuance of the word lies in its neutrality; the 'unexpected' event can be either positive or negative. However, the lack of preparation is the constant factor. When we say someone died unexpectedly, it is a formal and respectful way to describe a sudden passing without a long illness. Conversely, if a team wins unexpectedly, it highlights an underdog victory that defied the odds and the experts' predictions.

Emotional Resonance
It often evokes feelings of shock, amazement, or even mild confusion, as the brain tries to reconcile the new reality with previous assumptions.

She found herself unexpectedly moved to tears by the stranger's kindness.

Furthermore, the word is essential in scientific and academic writing to describe data points that do not fit the hypothesis. If a chemical reaction occurs unexpectedly fast, it suggests a hidden variable or a catalyst that was not previously accounted for. This usage drives further investigation and discovery. In literature, authors use this adverb to pivot the plot, ensuring the reader remains engaged by subverting their expectations. It is a word that bridges the gap between the known and the unknown, the planned and the spontaneous.

Frequency of Use
It is a high-frequency word in journalism, appearing in headlines to grab attention by promising news that breaks the status quo.

The peace talks ended unexpectedly early, leaving many questions unanswered.

The power went out unexpectedly during the storm.

He unexpectedly resigned from his position as chairman.

Mastering the placement of unexpectedly is key to conveying the right nuance in English. As an adverb, it is remarkably flexible, but its position can subtly shift the focus of the sentence. When placed at the beginning of a sentence, it acts as a sentence modifier, setting the tone for the entire statement and preparing the reader for a surprise. For example, 'Unexpectedly, the sun came out.' This puts the emphasis on the surprise itself. When placed in the middle of a sentence, usually between the subject and the main verb or after the first auxiliary verb, it integrates the surprise into the action. 'The sun unexpectedly came out.' This feels more integrated into the narrative flow.

Placement with Auxiliary Verbs
In sentences with 'be' or auxiliary verbs like 'have' or 'will', the adverb typically follows the first auxiliary. Example: 'The results have unexpectedly improved.'

The guest speaker unexpectedly arrived an hour early.

You can also place it at the very end of a sentence for a dramatic effect, though this is less common in formal writing. 'The meeting ended unexpectedly.' This structure leaves the reader lingering on the word, emphasizing the abruptness of the conclusion. In more complex sentences, unexpectedly can modify adjectives. 'The weather was unexpectedly cold.' Here, it qualifies the degree of coldness, indicating that the temperature was lower than what was forecast or typical for the season. This is a very common usage in descriptive writing and reviews.

Modifying Adjectives
It is frequently paired with adjectives like 'high', 'low', 'difficult', 'easy', or 'successful' to show a contrast with expectations.

The test was unexpectedly easy for most students.

When using unexpectedly in the passive voice, it often sits between the auxiliary 'to be' and the past participle. 'The building was unexpectedly demolished.' This highlights that the action of demolition was a surprise to the community. In negative sentences, the placement can change the meaning. 'He did not unexpectedly arrive' (meaning his arrival was planned) versus 'Unexpectedly, he did not arrive' (meaning his absence was the surprise). Precision in placement ensures that the 'unexpected' nature is attributed to the correct part of the message.

Comparative and Superlative
While rare, you can use 'more unexpectedly' or 'most unexpectedly' to compare levels of surprise between different events.

The journey was unexpectedly long due to the road closures.

The two old friends met unexpectedly in a crowded airport in Tokyo.

The movie's plot took an unexpectedly dark turn in the final act.

In the real world, unexpectedly is a staple of broadcast journalism and corporate communication. News anchors use it to introduce breaking stories that contradict earlier reports. For instance, 'The Prime Minister has unexpectedly called for a snap election.' This phrasing signals to the audience that the event is a significant shift in the political landscape. In the financial world, analysts use it to explain market volatility. 'Tech stocks rose unexpectedly today despite the inflation report.' Here, it serves as a bridge between the data (inflation) and the market reaction (rising stocks), acknowledging that the two don't seem to align logically.

News Media
It is a 'hook' word used to emphasize the novelty and urgency of a news item, making it more compelling for the viewer.

The fire spread unexpectedly fast, catching the residents off guard.

In the workplace, you will hear this word during project post-mortems or status updates. A manager might say, 'We encountered some unexpectedly complex issues with the database migration.' This is a professional way of saying that the team ran into problems they didn't foresee, which helps justify a delay in the timeline. It is also common in performance reviews, both positive and negative. 'You have unexpectedly excelled in your leadership role,' or 'The project's costs were unexpectedly high.' In these cases, the word acts as a buffer, grounding the feedback in the context of initial expectations.

Social Contexts
In storytelling among friends, it adds a layer of drama and helps the listener visualize the speaker's surprise.

I unexpectedly ran into my high school teacher at the grocery store.

In literature and film criticism, reviewers often use the word to describe plot twists. 'The protagonist's journey ends unexpectedly, leaving the audience to ponder the meaning of the final scene.' This usage highlights the artistic choice to subvert tropes. Even in sports commentary, you'll hear it: 'The underdog team has unexpectedly taken the lead in the second half.' It captures the excitement of a game that isn't following the 'script' that fans and experts had written in their minds before the match began. It is a word that thrives where reality meets the unknown.

Academic Research
Researchers use it to report anomalous findings that warrant further study, often leading to scientific breakthroughs.

The patient's condition unexpectedly improved after the new treatment.

The concert was unexpectedly cancelled due to technical issues.

The kitten unexpectedly jumped onto the high shelf.

One of the most frequent errors learners make is confusing unexpectedly with 'suddenly.' While they are often used in similar contexts, they have distinct meanings. 'Suddenly' refers to the speed and abruptness of an action—it happens quickly. 'Unexpectedly' refers to the lack of anticipation—it happens without being predicted. For example, a car might suddenly stop (it happened fast), but if you were waiting for it to stop at a red light, it didn't happen unexpectedly. Conversely, a friend might unexpectedly arrive at your house, but they might walk slowly up the driveway, so it didn't happen suddenly. Understanding this distinction is crucial for precise communication.

Confusing with 'Suddenly'
Mistake: 'The rain unexpectedly started.' (Better: 'The rain suddenly started' if you mean it began fast, or 'unexpectedly' if the forecast said sun.)

He unexpectedly (not suddenly) found out he had a twin brother.

Another common mistake is the incorrect placement of the adverb in relation to the verb. Learners sometimes place it between the verb and its direct object, which can sound awkward or incorrect in English. For instance, 'He found unexpectedly the keys' is incorrect. The correct placement would be 'He unexpectedly found the keys' or 'He found the keys unexpectedly.' Adverbs should generally not separate a verb from its direct object. Additionally, some learners use 'unexpected' (the adjective) when they should use 'unexpectedly' (the adverb). Remember that 'unexpectedly' must modify a verb, an adjective, or another adverb, while 'unexpected' modifies a noun.

Adjective vs. Adverb
Mistake: 'The news was unexpectedly.' (Correct: 'The news was unexpected' or 'The news arrived unexpectedly.')

The results were unexpectedly positive for the small company.

Overuse is also a pitfall. Using unexpectedly too many times in a short piece of writing can make the text feel repetitive and melodramatic. It is better to vary your vocabulary with phrases like 'without warning,' 'out of the blue,' or 'unforeseen.' Furthermore, be careful with the spelling; the double 'e' in 'expect' and the 'ed' suffix followed by 'ly' can be tricky. Some learners forget the 'ed' and write 'unexpectly,' which is not a word. Always ensure the root word 'expected' is intact before adding the adverbial suffix.

Spelling Pitfalls
Common Error: 'unexpectly' or 'unexpectidly'. Correct: 'unexpectedly'.

The cat unexpectedly hissed at the friendly neighbor.

The car unexpectedly stalled in the middle of the intersection.

She unexpectedly inherited a large estate from a distant relative.

While unexpectedly is a versatile word, English offers a rich array of synonyms that can provide more specific shades of meaning depending on the context. 'Suddenly' is the most common alternative, but as discussed, it emphasizes speed rather than surprise. 'Abruptly' is similar to suddenly but often carries a slightly more negative or jarring connotation, like a conversation that ends abruptly. 'Out of the blue' is an idiomatic expression that is perfect for informal contexts, suggesting that something appeared from nowhere, much like a bolt of lightning from a clear blue sky.

Unexpectedly vs. Suddenly
Unexpectedly = No one predicted it. Suddenly = It happened very fast.
Unexpectedly vs. Abruptly
Abruptly often implies a lack of politeness or a physical jerkiness, whereas unexpectedly is more about the information or timing.

The news came out of the blue, leaving everyone in shock.

In more formal or academic writing, you might choose 'unforeseenly' or 'unpredictably.' 'Unforeseenly' specifically points to the fact that the event could not have been seen in advance, often used in legal or insurance contexts (e.g., 'unforeseen circumstances'). 'Unpredictably' suggests a pattern of behavior that lacks consistency, such as 'the stock market behaved unpredictably.' If the surprise is particularly shocking, 'startlingly' or 'surprisingly' might be better choices. 'Surprisingly' is often used when the event contradicts a very strong expectation, like 'The movie was surprisingly good,' implying you thought it would be bad.

Unexpectedly vs. Surprisingly
Surprisingly often carries a subjective feeling of the speaker, while unexpectedly can be a more objective description of the event's timing.

The project was surprisingly easy to complete on time.

For events that happen by chance, 'coincidentally' or 'fortuitously' are excellent alternatives. 'Coincidentally' is used when two unexpected things happen at the same time, while 'fortuitously' implies a lucky break. On the other hand, if something happens in a way that seems almost planned by fate, you might use 'ironically.' For example, 'Ironically, the fire station burned down.' This is a specific type of unexpected event where the outcome is the exact opposite of what one would expect from the context. Choosing the right alternative allows you to paint a more precise picture for your audience.

Advanced Alternatives
Consider 'unanticipatedly' for very formal reports or 'serendipitously' for happy, accidental discoveries.

They met serendipitously at a bookshop in Paris.

The meeting was abruptly terminated by the manager.

The results were unpredictably varied across the different test groups.

How Formal Is It?

フォーマル

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ニュートラル

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カジュアル

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Child friendly

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スラング

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豆知識

The root of 'unexpectedly' is the same as the root for 'spectacles' (glasses) and 'spectator' (someone who watches). All these words are about the act of seeing or looking!

発音ガイド

UK /ˌʌn.ɪkˈspek.tɪd.li/
US /ˌʌn.ɪkˈspek.tɪd.li/
un-ex-PEC-ted-ly
韻が合う語
connectedly affectedly dejectedly inflectedly directedly collectedly protectedly perfectedly
よくある間違い
  • Pronouncing it as 'un-ex-PECT-ly' (skipping the 'ed' syllable).
  • Putting the stress on the first syllable 'UN-expectedly'.
  • Confusing the 'i' sound in 'ted' with a long 'ee' sound.
  • Mumbling the 'un' prefix so it sounds like 'expectedly'.
  • Over-emphasizing the 'ly' at the end.

難易度

読解 3/5

Easy to recognize in context, though it is a long word.

ライティング 4/5

Spelling can be tricky with the 'un-', '-ed-', and '-ly' parts.

スピーキング 3/5

Pronunciation is rhythmic but requires clear syllable division.

リスニング 3/5

The 'un-' prefix must be heard clearly to distinguish from 'expectedly'.

次に学ぶべきこと

前提知識

expect expected surprise sudden plan

次に学ぶ

unforeseen predictably abruptly coincidentally serendipitously

上級

anomalous fortuitous unanticipated precipitously stochastically

知っておくべき文法

Adverb Placement

Adverbs like 'unexpectedly' usually go before the main verb but after 'be' or auxiliary verbs.

Sentence Adverbs

When 'Unexpectedly' starts a sentence, it is followed by a comma.

Modifying Adjectives

Adverbs modify adjectives by being placed directly before them (e.g., unexpectedly cold).

Prefix 'un-'

The prefix 'un-' changes the meaning of the root word to its opposite.

Suffix '-ly'

Adding '-ly' to an adjective (unexpected) creates an adverb (unexpectedly).

レベル別の例文

1

The cat jumped on the table unexpectedly.

Le chat a sauté sur la table de manière inattendue.

Adverb at the end of a simple sentence.

2

It started to rain unexpectedly during our walk.

Il a commencé à pleuvoir de manière inattendue pendant notre promenade.

Adverb modifying the verb 'started'.

3

My friend arrived unexpectedly at my house.

Mon ami est arrivé à l'improviste chez moi.

Adverb modifying the verb 'arrived'.

4

The box was unexpectedly heavy.

La boîte était étonnamment lourde.

Adverb modifying the adjective 'heavy'.

5

Unexpectedly, the dog sat down.

De manière inattendue, le chien s'est assis.

Sentence adverb at the beginning.

6

I found a coin unexpectedly in the street.

J'ai trouvé une pièce de monnaie par hasard dans la rue.

Adverb modifying the verb 'found'.

7

The cake was unexpectedly sweet.

Le gâteau était étonnamment sucré.

Adverb modifying the adjective 'sweet'.

8

The door opened unexpectedly.

La porte s'est ouverte de manière inattendue.

Adverb at the end of the sentence.

1

The bus unexpectedly stopped in the middle of the road.

Le bus s'est arrêté de manière inattendue au milieu de la route.

Adverb placed before the main verb.

2

I unexpectedly met my teacher at the cinema.

J'ai rencontré mon professeur par hasard au cinéma.

Adverb placed before the main verb.

3

The weather was unexpectedly cold for May.

Le temps était étonnamment froid pour un mois de mai.

Adverb modifying the adjective 'cold'.

4

He unexpectedly failed his driving test.

Il a échoué à son examen de conduite de manière inattendue.

Adverb modifying the verb 'failed'.

5

The store was unexpectedly closed on Tuesday.

Le magasin était fermé de manière inattendue le mardi.

Adverb modifying the adjective 'closed'.

6

Unexpectedly, the movie had a happy ending.

De manière inattendue, le film a eu une fin heureuse.

Sentence adverb used for emphasis.

7

She unexpectedly won the race.

Elle a gagné la course de manière inattendue.

Adverb modifying the verb 'won'.

8

The phone rang unexpectedly late at night.

Le téléphone a sonné de manière inattendue tard dans la nuit.

Adverb modifying the verb 'rang'.

1

The project was unexpectedly successful despite the low budget.

Le projet a connu un succès inattendu malgré le faible budget.

Adverb modifying the adjective 'successful'.

2

The meeting ended unexpectedly early, so we went for coffee.

La réunion s'est terminée plus tôt que prévu, nous sommes donc allés prendre un café.

Adverb modifying the adverbial phrase 'early'.

3

I found myself unexpectedly involved in a local political debate.

Je me suis retrouvé impliqué de manière inattendue dans un débat politique local.

Adverb modifying the past participle 'involved'.

4

The prices of vegetables have risen unexpectedly this month.

Les prix des légumes ont augmenté de manière inattendue ce mois-ci.

Adverb placed after the auxiliary verb 'have'.

5

Unexpectedly, the two companies decided to merge.

De manière inattendue, les deux entreprises ont décidé de fusionner.

Sentence adverb used to introduce a major development.

6

The book was unexpectedly difficult to put down.

Le livre était étonnamment difficile à lâcher.

Adverb modifying the adjective 'difficult'.

7

He unexpectedly resigned from his post as the team captain.

Il a démissionné de son poste de capitaine d'équipe de manière inattendue.

Adverb modifying the verb 'resigned'.

8

The old bridge collapsed unexpectedly during the flood.

Le vieux pont s'est effondré de manière inattendue pendant l'inondation.

Adverb modifying the verb 'collapsed'.

1

The results of the experiment were unexpectedly consistent across all trials.

Les résultats de l'expérience étaient étonnamment cohérents dans tous les essais.

Adverb modifying the adjective 'consistent'.

2

The small town was unexpectedly transformed into a major tourist hub.

La petite ville s'est transformée de manière inattendue en une plaque tournante touristique majeure.

Adverb modifying the past participle 'transformed' in a passive construction.

3

Unexpectedly, the witness changed her testimony during the trial.

De manière inattendue, le témoin a changé son témoignage pendant le procès.

Sentence adverb highlighting a plot twist in a narrative.

4

The company's profits have unexpectedly plummeted in the last quarter.

Les bénéfices de l'entreprise ont chuté de manière inattendue au cours du dernier trimestre.

Adverb placed after the auxiliary 'have'.

5

He was unexpectedly modest about his significant achievements.

Il était d'une modestie inattendue par rapport à ses réalisations importantes.

Adverb modifying the adjective 'modest'.

6

The software update unexpectedly caused several bugs in the system.

La mise à jour du logiciel a provoqué de manière inattendue plusieurs bogues dans le système.

Adverb modifying the verb 'caused'.

7

The journey was unexpectedly long due to the unforeseen road closures.

Le voyage a été étonnamment long en raison des fermetures de routes imprévues.

Adverb modifying the adjective 'long'.

8

She unexpectedly discovered a talent for painting in her sixties.

Elle s'est découvert de manière inattendue un talent pour la peinture à la soixantaine.

Adverb modifying the verb 'discovered'.

1

The peace negotiations unexpectedly stalled over a minor territorial dispute.

Les négociations de paix ont piétiné de manière inattendue à cause d'un différend territorial mineur.

Adverb modifying the verb 'stalled', indicating a sudden halt in progress.

2

The author's latest novel is unexpectedly poignant, departing from his usual satirical style.

Le dernier roman de l'auteur est d'une émotion inattendue, s'écartant de son style satirique habituel.

Adverb modifying the adjective 'poignant'.

3

Unexpectedly, the data suggested that the intervention had a negative impact.

De manière inattendue, les données ont suggéré que l'intervention avait eu un impact négatif.

Sentence adverb used to introduce a counter-intuitive finding.

4

The building's architecture was unexpectedly harmonious with the surrounding landscape.

L'architecture du bâtiment était d'une harmonie inattendue avec le paysage environnant.

Adverb modifying the adjective 'harmonious'.

5

He found himself unexpectedly thrust into the spotlight after the viral video.

Il s'est retrouvé inopinément sous les projecteurs après la vidéo virale.

Adverb modifying the past participle 'thrust'.

6

The market reacted unexpectedly to the central bank's decision to hold interest rates.

Le marché a réagi de manière inattendue à la décision de la banque centrale de maintenir les taux d'intérêt.

Adverb modifying the verb 'reacted'.

7

The virus behaved unexpectedly, mutating faster than scientists had predicted.

Le virus s'est comporté de manière inattendue, mutant plus rapidement que les scientifiques ne l'avaient prévu.

Adverb modifying the verb 'behaved'.

8

Her career took an unexpectedly lucrative turn when she moved into consulting.

Sa carrière a pris un tournant inopinément lucratif lorsqu'elle s'est lancée dans le conseil.

Adverb modifying the adjective 'lucrative'.

1

The narrative arc concludes unexpectedly, leaving the reader to grapple with its moral ambiguity.

L'arc narratif se termine de manière inattendue, laissant le lecteur aux prises avec son ambiguïté morale.

Adverb modifying the verb 'concludes' in a literary analysis context.

2

The system's failure was unexpectedly catastrophic, revealing deep-seated structural vulnerabilities.

La défaillance du système a été d'une catastrophe inattendue, révélant des vulnérabilités structurelles profondes.

Adverb modifying the adjective 'catastrophic'.

3

Unexpectedly, the protagonist's quest for vengeance leads him to a state of profound forgiveness.

De manière inattendue, la quête de vengeance du protagoniste le mène à un état de pardon profond.

Sentence adverb used to describe a complex character development.

4

The policy was unexpectedly effective in curbing inflation without stifling economic growth.

La politique a été d'une efficacité inattendue pour freiner l'inflation sans étouffer la croissance économique.

Adverb modifying the adjective 'effective'.

5

He was unexpectedly candid about the failures of his previous administration.

Il a fait preuve d'une franchise inattendue sur les échecs de son administration précédente.

Adverb modifying the adjective 'candid'.

6

The species was found to be unexpectedly resilient to the effects of climate change.

L'espèce s'est avérée d'une résilience inattendue aux effets du changement climatique.

Adverb modifying the adjective 'resilient'.

7

The merger was unexpectedly derailed by a last-minute intervention from the regulators.

La fusion a été inopinément déraillée par une intervention de dernière minute des régulateurs.

Adverb modifying the past participle 'derailed' in a passive voice.

8

The poem's rhythm shifts unexpectedly, mirroring the speaker's internal agitation.

Le rythme du poème change de manière inattendue, reflétant l'agitation interne du locuteur.

Adverb modifying the verb 'shifts'.

よく使う組み合わせ

unexpectedly high
unexpectedly low
ended unexpectedly
arrived unexpectedly
changed unexpectedly
died unexpectedly
unexpectedly popular
unexpectedly difficult
unexpectedly easy
found unexpectedly

よく使うフレーズ

be unexpectedly moved

turn out unexpectedly

happen unexpectedly

unexpectedly large

unexpectedly small

unexpectedly quiet

unexpectedly busy

be unexpectedly delayed

unexpectedly good

unexpectedly bad

よく混同される語

unexpectedly vs suddenly

Suddenly means fast; unexpectedly means not predicted. You can stop suddenly but not unexpectedly if you saw the wall.

unexpectedly vs accidentally

Accidentally means without intention; unexpectedly means without prediction. You can do something on purpose that happens unexpectedly.

unexpectedly vs surprisingly

Surprisingly is more about the speaker's feeling of shock; unexpectedly is more about the timing or lack of planning.

慣用句と表現

"out of the blue"

Something that happens suddenly and unexpectedly. It comes from the idea of a clear blue sky with no clouds.

The news came out of the blue.

informal

"a bolt from the blue"

A sudden and very surprising piece of news or an event. It is more dramatic than 'out of the blue'.

His resignation was a bolt from the blue.

neutral

"catch someone off guard"

To surprise someone by doing something they are not prepared for. It describes the person's reaction to the unexpected.

The question caught me off guard.

neutral

"take someone by surprise"

To happen when someone is not expecting it. It is very similar to 'unexpectedly'.

The rain took us by surprise.

neutral

"come from left field"

To be completely unexpected or strange. It comes from baseball terminology.

That suggestion really came from left field.

informal

"throw a curveball"

To do something unexpected that makes a situation difficult to deal with. Also from baseball.

Life threw me a curveball when I lost my job.

informal

"pop up"

To appear unexpectedly or suddenly. Often used for problems or people.

A few issues popped up during the project.

informal

"drop a bombshell"

To announce something very surprising and often shocking. It implies a major impact.

She dropped a bombshell when she said she was moving.

informal

"spring something on someone"

To tell or give someone something unexpectedly, often when they are not ready.

Don't spring the news on him just yet.

informal

"turn up like a bad penny"

To appear unexpectedly, usually referring to someone who is not welcome.

He always turns up like a bad penny when we have a party.

informal

間違えやすい

unexpectedly vs unexpectly

Spelling error.

This is not a real word. You must include the 'ed' from 'expected'.

Incorrect: He arrived unexpectly. Correct: He arrived unexpectedly.

unexpectedly vs expectedly

Opposite meaning.

Expectedly means it was planned or predicted; unexpectedly means it was a surprise.

He expectedly won the race because he was the fastest.

unexpectedly vs unexpected

Adjective vs. Adverb.

Unexpected is an adjective for nouns; unexpectedly is an adverb for verbs and adjectives.

It was an unexpected (adj) visit. He visited unexpectedly (adv).

unexpectedly vs abruptly

Similar meaning of 'sudden'.

Abruptly often implies a rude or sharp stop, while unexpectedly is more neutral about the surprise.

The music stopped abruptly, making everyone jump.

unexpectedly vs unpredictably

Similar meaning of 'not predicted'.

Unpredictably suggests a lack of a consistent pattern over time; unexpectedly is usually about a single event.

The weather in this city behaves unpredictably.

文型パターン

A1

It was unexpectedly [adjective].

It was unexpectedly hot.

A2

I unexpectedly [verb] [object].

I unexpectedly found my keys.

B1

The [noun] has unexpectedly [past participle].

The flight has unexpectedly been delayed.

B2

Unexpectedly, the [noun] [verb]ed.

Unexpectedly, the market crashed.

C1

The [noun] proved to be unexpectedly [adjective].

The data proved to be unexpectedly complex.

C2

What was unexpectedly [adjective] was the [noun].

What was unexpectedly poignant was the ending.

B1

Subject + be + unexpectedly + adjective + to + verb.

He was unexpectedly easy to talk to.

B2

The [noun] turned out unexpectedly [adjective].

The meal turned out unexpectedly delicious.

語族

名詞

動詞

形容詞

関連

使い方

frequency

Common in both spoken and written English, especially in news and storytelling.

よくある間違い
  • He arrived unexpectly. → He arrived unexpectedly.

    You must include the 'ed' from the adjective 'unexpected'.

  • The rain unexpectedly started. → The rain suddenly started.

    If you mean the rain began very fast, 'suddenly' is often a better choice than 'unexpectedly'.

  • He found unexpectedly the keys. → He unexpectedly found the keys.

    Do not place an adverb between a verb and its direct object.

  • The news was unexpectedly. → The news was unexpected.

    Use the adjective 'unexpected' after the verb 'to be' when describing a noun.

  • It was a very unexpectedly day. → It was a very unexpected day.

    Use the adjective 'unexpected' to modify the noun 'day'.

ヒント

Adverb Placement

Place 'unexpectedly' before the main verb or after the first auxiliary verb for the most natural sound in English.

Avoid Overuse

While it is a great word, using it too often can make your writing feel repetitive. Try synonyms like 'out of the blue' for variety.

Adjective Form

Remember that 'unexpected' is the adjective. Use it before nouns: 'An unexpected surprise.' Use 'unexpectedly' for actions.

Intonation

Use a slightly higher pitch when saying 'unexpectedly' to emphasize the surprise in your voice.

The 'ED' Rule

Always check that you have the 'ed' in the middle. It's 'unexpectedly', not 'unexpectly'.

Formal Contexts

In business, 'unexpectedly' is a professional way to explain changes or delays without sounding like you are making excuses.

Prefix Awareness

Listen carefully for the 'un-' at the start. If you miss it, you will think the event was planned!

Context Clues

When you see 'unexpectedly', look for words like 'but', 'however', or 'despite' nearby, as they often signal the contrast.

Positive vs Negative

Don't be afraid to use it for happy surprises. It's not just for bad news!

Mnemonic

Think: 'UN-EXPECT-ED-LY'. Four parts to a surprise!

暗記しよう

記憶術

Think of 'UN-EXPECT-ED-LY'. UN (not) + EXPECT (wait for) + ED (past) + LY (how). It's how something happens when you were NOT WAITING for it.

視覚的連想

Imagine a jack-in-the-box. You know it will pop up, but if it pops up while you are just walking past it, it happens unexpectedly. The spring represents the surprise.

Word Web

Surprise Shock Plan Prediction Suddenly Unforeseen Anomaly Chance

チャレンジ

Try to write three sentences about your last holiday using 'unexpectedly' in three different positions: at the start, in the middle, and at the end.

語源

The word is formed by adding the prefix 'un-' (meaning 'not') to the adjective 'expected', which comes from the verb 'expect'. The verb 'expect' originates from the Latin 'exspectare', meaning 'to look out for' or 'to wait for'. The suffix '-ly' is added to turn the adjective into an adverb.

元の意味： The root 'spectare' means 'to look', so the original sense was 'not looked for' or 'not seen coming'.

Indo-European (Latin branch to Middle English).

文化的な背景

Be careful when using 'unexpectedly' to describe a person's behavior, as it can sometimes imply they are unreliable if used in a negative context.

In the UK and US, it is very common in weather reports because the weather is notoriously difficult to predict in these regions.

The phrase 'Expect the unexpected' is a common cultural proverb. In the movie 'Forrest Gump', life is described as a box of chocolates where things happen unexpectedly. News headlines often use 'Unexpectedly' to describe market crashes or political upsets.

実生活で練習する

実際の使用場面

Weather

  • started unexpectedly
  • cleared up unexpectedly
  • unexpectedly cold
  • unexpectedly warm

Business/Finance

  • unexpectedly high profits
  • unexpectedly low sales
  • resigned unexpectedly
  • unexpectedly delayed

Social Life

  • arrived unexpectedly
  • met unexpectedly
  • unexpectedly fun
  • unexpectedly busy

Academic/Research

  • unexpectedly consistent
  • unexpectedly divergent
  • behaved unexpectedly
  • unexpectedly significant

Travel

  • unexpectedly long journey
  • unexpectedly short flight
  • unexpectedly closed
  • unexpectedly beautiful

会話のきっかけ

"Has anything happened unexpectedly to you this week?"

"Tell me about a time a friend showed up unexpectedly at your house."

"What is the most unexpectedly good movie you have ever seen?"

"Have you ever had a holiday that turned out unexpectedly different from your plan?"

"When was the last time the weather changed unexpectedly during your day?"

日記のテーマ

Describe a day when everything went unexpectedly. How did you feel about the surprises?

Write about an unexpectedly difficult challenge you faced and how you overcame it.

Reflect on a person who has unexpectedly influenced your life in a positive way.

If you could have one unexpectedly great thing happen tomorrow, what would it be?

Discuss why people often feel stressed when things happen unexpectedly, even if the events are good.

よくある質問

10 問

It is a neutral word, which means it is perfectly fine to use in both formal writing (like business reports) and informal conversation (like telling a story to a friend). It is very versatile.

Yes, you can. When you do this, it is called a sentence adverb. It sets the tone for the whole sentence and should be followed by a comma. For example: 'Unexpectedly, it began to snow.'

The main difference is focus. 'Suddenly' focuses on how fast something happens (speed). 'Unexpectedly' focuses on the fact that you didn't know it was going to happen (surprise). An event can be both sudden and unexpected, but not always.

A good way to remember is to break it into four parts: UN + EXPECT + ED + LY. Many people forget the 'ED' part, so make sure you include it!

Yes, it often does. For example, you can say something was 'unexpectedly good' or 'unexpectedly difficult'. This means the quality was more than or different from what you expected.

No, 'unexpectly' is a common spelling mistake. You must always use the full adjective 'unexpected' before adding the '-ly' suffix to make the adverb 'unexpectedly'.

Common synonyms include 'surprisingly', 'unforeseenly', 'out of the blue' (informal), and 'abruptly'. The best one to use depends on the specific context of your sentence.

Absolutely! It is a neutral word. You can use it for negative things (unexpectedly lost) or positive things (unexpectedly won). It just means it was a surprise.

The primary stress is on the third syllable: un-ex-PEC-ted-ly. Practice saying it with a rhythm to help you remember.

Yes, it is very common. Journalists use it to highlight news that is surprising or that changes the current understanding of a situation, such as 'The company unexpectedly closed its doors today.'

自分をテスト 200 問

writing

Write a sentence about a surprise visitor using 'unexpectedly'.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Describe an unexpectedly good meal you had.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a short story (3 sentences) that starts with 'Unexpectedly, the power went out.'

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Explain the difference between 'suddenly' and 'unexpectedly' in your own words.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a formal email sentence about an unexpectedly delayed project.

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正解！ おしい！ 正解:
writing

Describe an unexpectedly beautiful place you have visited.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a sentence using 'unexpectedly' to modify the adjective 'difficult'.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

How would you use 'unexpectedly' in a news headline?

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a sentence about an unexpectedly found object.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Describe an unexpectedly funny moment from your childhood.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a sentence about an unexpectedly long journey.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Use 'unexpectedly' in a sentence about a cat or dog.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a sentence about an unexpectedly successful business.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Describe an unexpectedly cold day in summer.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a sentence about an unexpectedly kind stranger.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a sentence about an unexpectedly short movie.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Use 'unexpectedly' to describe a change in your plans.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a sentence about an unexpectedly loud noise.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Describe an unexpectedly busy day at work or school.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
writing

Write a sentence about an unexpectedly quiet city.

Well written! Good try! Check the sample answer below.

正解！ おしい！ 正解:
speaking

Talk about a time you met someone unexpectedly.

Read this aloud:

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speaking

Describe an unexpectedly good day you had recently.

Read this aloud:

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speaking

How do you feel when things happen unexpectedly?

Read this aloud:

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speaking

Tell a story that includes an unexpected surprise.

Read this aloud:

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speaking

Explain why 'unexpectedly' is a useful word in news.

Read this aloud:

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speaking

Talk about an unexpectedly difficult task you finished.

Read this aloud:

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speaking

Describe an unexpectedly beautiful sunset you saw.

Read this aloud:

正解！ おしい！ 正解:
speaking

How would you react if a friend arrived unexpectedly at your house?

Read this aloud:

正解！ おしい！ 正解:
speaking

Talk about an unexpectedly funny movie you watched.

Read this aloud:

正解！ おしい！ 正解:
speaking

Describe an unexpectedly busy place you visited.

Read this aloud:

正解！ おしい！ 正解:
speaking

Talk about a time the weather changed unexpectedly.

Read this aloud:

正解！ おしい！ 正解:
speaking

Explain a time you found something unexpectedly.

Read this aloud:

正解！ おしい！ 正解:
speaking

Talk about an unexpectedly long wait you had.

Read this aloud:

正解！ おしい！ 正解:
speaking

Describe an unexpectedly kind thing someone did for you.

Read this aloud:

正解！ おしい！ 正解:
speaking

Talk about an unexpectedly quiet day you enjoyed.

Read this aloud:

正解！ おしい！ 正解:
speaking

How do you handle unexpected changes at work or school?

Read this aloud:

正解！ おしい！ 正解:
speaking

Talk about an unexpectedly successful project.

Read this aloud:

正解！ おしい！ 正解:
speaking

Describe an unexpectedly delicious food you tried.

Read this aloud:

正解！ おしい！ 正解:
speaking

Talk about an unexpectedly loud sound that scared you.

Read this aloud:

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speaking

Explain a time you were unexpectedly moved by a story.

Read this aloud:

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listening

Listen to the sentence: 'The cat jumped unexpectedly.' What did the cat do?

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listening

Listen: 'The meeting ended unexpectedly early.' Why are they leaving?

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listening

Listen: 'Unexpectedly, the sun came out.' What happened to the weather?

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listening

Listen: 'The bill was unexpectedly high.' Is the person happy?

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listening

Listen: 'He unexpectedly resigned.' What did the man do?

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listening

Listen: 'The test was unexpectedly easy.' How was the test?

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listening

Listen: 'They met unexpectedly in London.' Where did they meet?

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listening

Listen: 'The car stalled unexpectedly.' What happened to the car?

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listening

Listen: 'The news arrived unexpectedly.' Was the news a surprise?

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listening

Listen: 'The room was unexpectedly hot.' How did the room feel?

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listening

Listen: 'She was unexpectedly kind.' How was her behavior?

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listening

Listen: 'The flight was unexpectedly delayed.' Is the plane on time?

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listening

Listen: 'He unexpectedly won the race.' Did he win?

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listening

Listen: 'The book ended unexpectedly.' Was the ending predicted?

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listening

Listen: 'The power went out unexpectedly.' What happened to the lights?

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/ 200 correct

Perfect score!

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