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artificial

B2 verb #25 よく出る 9分で読める

artificial

上位25

At the A1 level, 'artificial' is a word you might see on food labels or in simple science lessons. It means 'not real' or 'made by people'. Think about a plastic flower. A real flower grows in the ground with water and sun. A plastic flower is made in a factory. So, the plastic flower is artificial. We use this word to talk about things that look like nature but are made by humans. For example, 'artificial light' is the light from a lamp, not from the sun. 'Artificial flavor' in candy tastes like fruit, but it is not real fruit. It is a simple way to say 'man-made'. You don't need to use it often at this level, but it is good to recognize it on shopping labels or when talking about robots.

For A2 learners, 'artificial' is useful for describing everyday objects. You can use it to talk about 'artificial grass' on a football pitch or 'artificial sweeteners' in your coffee. It is the opposite of 'natural'. If something is natural, it comes from nature. If it is artificial, a person or a machine made it. You might also hear about 'artificial intelligence' in movies or on the news. At this level, you should start to notice that 'artificial' can be used for many different things: food, light, materials, and even ideas. It is an adjective, so it usually comes before the noun. For example: 'I don't like artificial colors in my food.'

At the B1 level, you can use 'artificial' to describe more complex situations. You understand that it means 'man-made', but you also start to see it used for human behavior. If someone is being 'artificial', they are not being their true self. They might be smiling, but they are not actually happy. This is an 'artificial smile'. You can also use it in more technical ways, like 'artificial respiration' (helping someone breathe) or 'artificial limbs' (prosthetic arms or legs). You should be able to distinguish between 'artificial' and 'fake'. 'Artificial' is often a more formal or scientific word, while 'fake' is more common and sometimes means someone is trying to trick you.

At the B2 level, you should be comfortable using 'artificial' in academic and professional contexts. You can discuss the pros and cons of 'artificial intelligence' (AI) in the workplace or the environmental impact of 'artificial islands'. You understand the nuance that 'artificial' isn't always bad; it often represents human innovation. You can also use the adverb form, 'artificially', to describe how something is done. For example, 'The prices were artificially high.' This means someone made the prices high on purpose. You should also be aware of common collocations like 'artificial scarcity', 'artificial selection' in biology, and 'artificial neural networks' in technology. Your vocabulary is now rich enough to use 'artificial' to critique social interactions or describe complex engineering feats.

C1 learners should use 'artificial' with precision and awareness of its connotations. You can use it to explore philosophical themes, such as the 'artificiality' of modern life or the blurred lines between 'artificial' and 'natural' environments. You understand that in some contexts, 'artificial' can be a synonym for 'sophisticated' or 'highly engineered', while in others, it implies a lack of soul or authenticity. You can use it in high-level debates about 'artificial general intelligence' (AGI) and its ethical implications. You are also familiar with more obscure uses, such as 'artificial person' in a legal context (referring to a corporation) or 'artificial language' (like Esperanto). Your usage should reflect an understanding of the word's Latin roots and its evolution in English literature.

At the C2 level, you have a masterly command of 'artificial' and its synonyms. You can use it to discuss the 'factitious' nature of certain social constructs or the 'stilted' quality of a poorly written dialogue. You can navigate the subtle differences between 'artificial', 'synthetic', 'ersatz', and 'simulated' with ease. You might use 'artificial' to describe the 'artificiality' of a Baroque painting or the 'artificial constraints' of a mathematical model. You understand the historical shift of the word from meaning 'full of art' to 'lacking nature'. Your ability to use the word in complex, metaphorical ways—such as 'the artificial boundaries of nation-states'—demonstrates a deep, nuanced understanding of how human creation shapes our perception of reality.

練習する例文メモとヒント

artificial 30秒で

Artificial means man-made and not occurring naturally in the world.
It can describe physical objects, like artificial turf or artificial limbs.
It can describe human behavior, suggesting it is insincere or forced.
In technology, it is most famous for the term 'Artificial Intelligence'.

The word artificial serves as a cornerstone in modern English for distinguishing between the organic, spontaneous world and the world crafted by human ingenuity. At its most basic level, it describes anything that is not occurring naturally. This can range from the physical, such as an artificial limb or artificial turf, to the abstract, such as artificial intelligence. When we use this word, we are often drawing a line between the 'real' or 'original' and the 'man-made' or 'simulated'. However, the word carries a dual nature. In technical contexts, it is often neutral or even positive, signifying human progress and problem-solving. In social contexts, however, it can take on a pejorative tone, suggesting insincerity, falseness, or a lack of genuine emotion.

Technical Application: In science and engineering, artificial refers to synthetic materials or systems designed to mimic natural functions. For example, artificial light allows us to work after sunset, and artificial sweeteners provide sweetness without the caloric content of sugar.
Social Connotation: When applied to human behavior, artificial suggests a performance. An artificial smile is one that does not reach the eyes; an artificial manner is one that feels rehearsed or 'put on' for the benefit of others.

The scientist explained that the artificial heart was a temporary solution until a donor could be found.

Historically, the word stems from the Latin 'artificialis', which relates to 'art' or 'skill'. This reminds us that 'artificial' things are products of 'artifice'—the skill of making. In the 14th century, it wasn't necessarily a bad thing; it simply meant something was 'made by art'. It wasn't until later that the nuance of 'fake' or 'insincere' became common. Today, we live in an era where the 'artificial' is becoming increasingly indistinguishable from the 'natural', leading to complex ethical and philosophical debates. Whether we are talking about the artificial flavors in our snacks or the artificial neural networks in our smartphones, the word forces us to consider what we value about the 'natural' world and why.

She gave an artificial laugh to hide her discomfort during the awkward dinner party.

Environmental Context: Artificial environments, like greenhouses or space stations, are designed to sustain life where it wouldn't naturally thrive.

The park featured an artificial lake that looked surprisingly natural.

Using artificial correctly requires an understanding of its placement as an adjective. It typically precedes the noun it modifies. Because it covers such a broad spectrum—from chemistry to psychology—the surrounding vocabulary (the 'collocates') is vital for setting the tone. When you use it to describe objects, you are stating a fact about their origin. When you use it to describe people, you are making a judgment about their character. This flexibility makes it a powerful tool for both objective reporting and subjective critique.

Describing Materials: Use 'artificial' when referring to synthetic replacements. 'The jacket is made of artificial leather.' 'They used artificial flowers for the wedding decor.'
Describing Systems: In the digital age, 'artificial' is paired with 'intelligence' or 'neural networks'. 'The software uses artificial intelligence to predict market trends.'

Many processed foods contain artificial colors and flavors to make them more appealing.

One common mistake is using 'artificial' when 'fake' or 'false' might be more appropriate. While they are synonyms, 'artificial' often implies a more sophisticated level of creation. A 'fake' diamond might be glass, but an 'artificial' (or synthetic) diamond is chemically identical to a real one but created in a lab. Similarly, 'artificial' is often used in formal writing, whereas 'fake' is more colloquial. In academic or professional settings, 'artificial' is the preferred term for discussing human-made substitutes. For instance, economists might discuss 'artificial scarcity', where a supply is intentionally limited to drive up prices, rather than 'fake scarcity'.

The athlete was fitted with an artificial leg that allowed him to run again.

Describing Social Situations: When describing a vibe or atmosphere: 'The party felt artificial, as if everyone was just playing a role.'

The room was flooded with artificial light, making it hard to tell what time it was.

In the 21st century, you cannot go a day without hearing the word artificial, primarily due to the explosion of Artificial Intelligence (AI). News broadcasts, tech podcasts, and business meetings are saturated with discussions about how 'artificial' systems are reshaping the workforce. However, the word also appears in more mundane, everyday settings. You'll see it on the back of food packaging ('no artificial preservatives'), in home decor stores ('artificial plants'), and in sports commentary ('the game was played on artificial turf'). It is a word that bridges the gap between high-level science and daily consumer choices.

In the News: Headlines often focus on 'artificial intelligence' (AI) and its impact on privacy, ethics, and the economy. You might also hear about 'artificial islands' being built for luxury real estate.
In Health and Wellness: Doctors discuss 'artificial respiration' or 'artificial insemination'. Nutritionists warn against 'artificial sweeteners' like aspartame.

The stadium switched from natural grass to artificial turf to reduce maintenance costs.

In literature and film, 'artificial' is a recurring theme used to explore what it means to be human. Think of movies like 'Blade Runner' or 'A.I. Artificial Intelligence', where the 'artificial' beings are so complex they begin to experience 'real' emotions. This usage highlights the philosophical weight the word carries. In these contexts, 'artificial' isn't just a technical descriptor; it's a mirror held up to humanity. When a character in a movie says, 'Your kindness is artificial,' they are delivering a profound insult, suggesting that the person's humanity is a mere facade. This duality—being both a scientific term and a moral judgment—makes it one of the most versatile words in the English language.

The label clearly stated that the juice contained no artificial ingredients.

In Sports: Commentators often debate the safety of 'artificial turf' compared to natural grass, especially regarding knee injuries.

The robot's artificial skin felt remarkably like the real thing.

One of the most frequent errors learners make with artificial is confusing it with 'fake' or 'false' in every situation. While they share a semantic field, their usage is not always interchangeable. 'Artificial' is often used for things that are intentionally created to serve a function, while 'fake' often implies a desire to deceive. For example, you wouldn't call a prosthetic leg a 'fake leg' in a medical report; 'artificial limb' is the professional term. Conversely, if someone gives you a $100 bill that they printed at home, that is a 'fake' or 'counterfeit' bill, not an 'artificial' one, because the intent is illegal deception.

Artificial vs. False: 'False' is often used for things that are incorrect or anatomically incorrect but not necessarily 'high-tech'. We say 'false teeth' (dentures) or 'false eyelashes', but we say 'artificial heart'. 'False' also applies to logic (true/false).
Artificial vs. Synthetic: 'Synthetic' is a more technical, chemical term. While all synthetic things are artificial, not all artificial things are synthetic. An artificial lake is made by humans, but it's made of natural water, not synthetic water.

Correct: He has an artificial valve in his heart. Incorrect: He has a fake valve in his heart.

Another common mistake is using 'artificial' as a verb. As noted in some dictionaries, the word is strictly an adjective. If you want to describe the action of making something artificial, you should use 'artificialize' (though rare) or more common phrases like 'to make synthetic' or 'to simulate'. Learners also sometimes struggle with the pronunciation, specifically the 'ti' sound which becomes a 'sh' sound (/ˌɑːrtɪˈfɪʃəl/). Mispronouncing it as 'arti-fik-ial' is a common error for speakers whose native languages use a hard 'c' or 't' in similar Latin-derived words.

The artificial light of the office made her eyes ache after eight hours.

Collocation Error: People often say 'artificial person'. While grammatically correct, it sounds strange. Use 'insincere person' or 'fake person' for personality, and 'android' or 'robot' for a literal artificial person.

The flavor was too artificial for my taste; I prefer real fruit.

To truly master artificial, you must understand its neighbors in the thesaurus. Each alternative carries a slightly different 'flavor' or register. 'Synthetic' is the scientist's choice, 'man-made' is the everyday choice, 'simulated' is the computer programmer's choice, and 'affected' is the literary critic's choice for behavior. Choosing the right one depends entirely on whether you are talking about a chemical compound, a wooden bridge, a flight training program, or a person's posh accent.

Synthetic: Refers specifically to substances made by chemical synthesis. 'Synthetic fibers' like nylon are artificial, but an 'artificial smile' is not synthetic.
Man-made: A very common, slightly less formal alternative. 'The Great Wall is a man-made wonder.' It is rarely used for behavior or intelligence.
Simulated: Used when something is designed to look or feel like the real thing for training or testing. 'Simulated flight' or 'simulated leather'.

The architect preferred artificial stone because it was lighter and easier to install than natural granite.

When discussing human emotions, 'artificial' has several nuanced synonyms. 'Affected' implies that someone is putting on an act to impress others. 'Stilted' suggests that a conversation or behavior is stiff and unnatural. 'Insincere' focuses on the lack of true feeling. For example, 'His artificial enthusiasm' could also be described as 'his forced enthusiasm' or 'his hollow enthusiasm'. In contrast, when discussing technology, 'artificial' is often contrasted with 'biological' or 'organic'. As we move toward a future of 'artificial life', these distinctions become vital for clear communication.

The artificial horizon on the cockpit display helped the pilot stay level in the clouds.

Factitious: A very formal, academic word meaning 'produced artificially rather than developing naturally'. Often used in medicine (factitious disorder).

The drink's artificial blue color made it look like window cleaner.

How Formal Is It?

フォーマル

ニュートラル

カジュアル

Child friendly

スラング

豆知識

The word 'artifice' comes from the same root. In the past, being 'artificial' meant you were a skilled craftsman. It only became a negative word for 'fake' much later.

発音ガイド

UK /ˌɑːtɪˈfɪʃəl/

US /ˌɑːrtɪˈfɪʃəl/

ar-ti-FI-cial

韻が合う語

official judicial beneficial superficial sacrificial initial special social

よくある間違い

Pronouncing the 'c' as a hard 'k' (ar-ti-fik-ial).
Putting the stress on the first syllable (AR-ti-fi-cial).
Missing the 'sh' sound in the third syllable.
Pronouncing it as five syllables (ar-ti-fi-ci-al).
Forgetting the 'l' sound at the end.

難易度

読解 3/5

Common in news and labels, easy to recognize.

ライティング 4/5

Requires correct spelling and understanding of nuances versus 'fake'.

スピーキング 4/5

The 'sh' sound in the middle can be tricky for non-native speakers.

リスニング 3/5

Clear pronunciation in most contexts, especially in tech discussions.

次に学ぶべきこと

前提知識

natural real make human skill

次に学ぶ

synthetic authentic intelligence simulation prosthetic

上級

ersatz factitious simulation ontological artifice

知っておくべき文法

Adjective Placement

The artificial (adj) light (noun) is bright.

Adverb Formation

He smiled artificially (adv) for the photo.

Noun Formation

The artificiality (noun) of the situation was obvious.

Opposite Prefix

There is no common prefix like 'un-artificial'; use 'natural' instead.

Comparison

This sweetener is more artificial than that one (though 'more synthetic' is better).

レベル別の例文

This flower is artificial; it is made of plastic.

Cette fleur est artificielle ; elle est en plastique.

'Artificial' is an adjective describing the noun 'flower'.

I do not like artificial light.

Je n'aime pas la lumière artificielle.

'Artificial' comes before the noun 'light'.

Is this artificial or real?

Est-ce artificiel ou réel ?

Used as a predicate adjective after the verb 'is'.

The robot has an artificial voice.

Le robot a une voix artificielle.

Describes the quality of the sound.

This candy has artificial flavors.

Ce bonbon a des arômes artificiels.

Plural noun 'flavors' modified by 'artificial'.

The grass is artificial.

L'herbe est artificielle.

Simple subject-verb-adjective structure.

He has an artificial leg.

Il a une jambe artificielle.

Medical context for 'artificial'.

Don't use artificial colors.

N'utilisez pas de couleurs artificielles.

Imperative sentence with an adjective-noun pair.

Many people prefer natural sugar to artificial sweeteners.

Beaucoup de gens préfèrent le sucre naturel aux édulcorants artificiels.

Comparison between 'natural' and 'artificial'.

The lake in the park is artificial.

Le lac dans le parc est artificiel.

'Artificial' describes the origin of the lake.

She wears artificial eyelashes for the party.

Elle porte des faux cils pour la fête.

Commonly used for beauty products.

Artificial intelligence is a popular topic today.

L'intelligence artificielle est un sujet populaire aujourd'hui.

Compound noun 'Artificial Intelligence'.

The room felt cold because of the artificial light.

La pièce semblait froide à cause de la lumière artificielle.

'Because of' followed by a noun phrase.

The fur on her coat is artificial.

La fourrure de son manteau est artificielle.

Often used to mean 'cruelty-free' or 'fake'.

We use artificial satellites to predict the weather.

Nous utilisons des satellites artificiels pour prévoir la météo.

Distinguishes from natural satellites like the Moon.

The drink has no artificial preservatives.

La boisson ne contient aucun conservateur artificiel.

Common phrase in marketing and food safety.

His artificial smile made me feel uncomfortable.

Son sourire artificiel m'a mis mal à l'aise.

Describes insincere human behavior.

The company uses artificial scarcity to keep prices high.

L'entreprise utilise la rareté artificielle pour maintenir des prix élevés.

Business/Economics context.

He was kept alive by artificial respiration.

Il a été maintenu en vie par respiration artificielle.

Technical medical term.

The diamond is artificial, but it looks real.

Le diamant est artificiel, mais il a l'air vrai.

Contrast between 'artificial' and 'real'.

The film explores the relationship between humans and artificial beings.

Le film explore la relation entre les humains et les êtres artificiels.

Used in a thematic/literary context.

They created an artificial environment for the plants.

Ils ont créé un environnement artificiel pour les plantes.

Refers to a controlled, man-made setting.

The athlete's performance was boosted by artificial means.

La performance de l'athlète a été dopée par des moyens artificiels.

Implies something unethical or non-natural.

The story felt artificial and lacked emotion.

L'histoire semblait artificielle et manquait d'émotion.

Critique of a creative work.

The central bank kept interest rates artificially low for years.

La banque centrale a maintenu les taux d'intérêt artificiellement bas pendant des années.

Adverbial form 'artificially' modifying the adjective 'low'.

Artificial neural networks are designed to mimic the human brain.

Les réseaux de neurones artificiels sont conçus pour imiter le cerveau humain.

Specific technical term in computer science.

The city was built on an artificial island in the middle of the sea.

La ville a été construite sur une île artificielle au milieu de la mer.

Describes a major engineering project.

She maintained an artificial politeness throughout the meeting.

Elle a maintenu une politesse artificielle tout au long de la réunion.

Nuanced description of social behavior.

The flavors in this snack are entirely artificial.

Les arômes de ce goûter sont entièrement artificiels.

'Entirely' acts as an intensifier for 'artificial'.

The debate over artificial intelligence focuses on job security.

Le débat sur l'intelligence artificielle se concentre sur la sécurité de l'emploi.

'Artificial intelligence' as the subject of a debate.

He felt that the rules of the game were somewhat artificial.

Il estimait que les règles du jeu étaient quelque peu artificielles.

Suggests that something is arbitrary or forced.

The scientist developed an artificial skin for burn victims.

Le scientifique a mis au point une peau artificielle pour les grands brûlés.

Medical innovation context.

The diplomat's artificial cordiality failed to mask the underlying tension.

La cordialité artificielle du diplomate n'a pas réussi à masquer la tension sous-jacente.

Sophisticated noun 'cordiality' paired with 'artificial'.

In the novel, the city is a sterile, artificial construct.

Dans le roman, la ville est une construction stérile et artificielle.

'Construct' used as a noun to imply something fabricated.

The ecosystem was disrupted by the introduction of artificial light pollution.

L'écosystème a été perturbé par l'introduction de la pollution lumineuse artificielle.

Complex environmental terminology.

The author critiques the artificiality of modern social media interactions.

L'auteur critique le caractère artificiel des interactions modernes sur les réseaux sociaux.

Noun form 'artificiality' used for abstract critique.

The experiment required an artificial vacuum to be maintained.

L'expérience nécessitait le maintien d'un vide artificiel.

Scientific precision in describing a state.

His speech was filled with artificial rhetoric and empty promises.

Son discours était rempli d'une rhétorique artificielle et de promesses vides.

'Artificial rhetoric' implies insincere or manipulative language.

The boundaries between nations are often artificial lines drawn on a map.

Les frontières entre les nations sont souvent des lignes artificielles tracées sur une carte.

Metaphorical use for political constructs.

The use of artificial selection has radically changed domestic dog breeds.

L'utilisation de la sélection artificielle a radicalement changé les races de chiens domestiques.

Biological term for human-controlled breeding.

The play was marred by a series of artificial plot contrivances.

La pièce a été gâchée par une série de procédés scéniques artificiels.

'Plot contrivances' suggests forced or unbelievable story elements.

He lived in a world of artificial elegance, devoid of any genuine warmth.

Il vivait dans un monde d'une élégance artificielle, dépourvu de toute chaleur véritable.

High-level literary description of atmosphere.

The philosopher argued that the distinction between the natural and the artificial is a false dichotomy.

Le philosophe a soutenu que la distinction entre le naturel et l'artificiel est une fausse dichotomie.

Academic discussion of ontological categories.

The project aimed to create an artificial biosphere capable of sustaining human life on Mars.

Le projet visait à créer une biosphère artificielle capable de maintenir la vie humaine sur Mars.

Advanced scientific and speculative context.

Her prose was criticized for being overly artificial and self-conscious.

Sa prose a été critiquée pour être excessivement artificielle et embarrassée.

Critique of stylistic choices in writing.

The central bank's intervention was seen as an attempt to create an artificial equilibrium.

L'intervention de la banque centrale a été vue comme une tentative de créer un équilibre artificiel.

Economic theory application.

The garden was a masterpiece of artificiality, where every leaf seemed placed by design.

Le jardin était un chef-d'œuvre d'artificialité, où chaque feuille semblait placée à dessein.

Using 'artificiality' as a positive aesthetic quality.

The artificiality of the courtly manners of the 18th century is well-documented.

Le caractère artificiel des manières de cour du XVIIIe siècle est bien documenté.

Historical and sociological observation.

類義語

synthetic man-made manufactured simulated imitation faux

反対語

natural genuine real

よく使う組み合わせ

artificial intelligence

artificial sweetener

artificial light

artificial limb

artificial smile

artificial turf

artificial flavor

artificial respiration

artificial scarcity

artificial island

よく使うフレーズ

no artificial ingredients

artificial selection

artificial neural network

artificial horizon

artificial insemination

artificial heart

artificial satellite

artificial leather

artificial reef

artificial gravity

よく混同される語

artificial vs fake

'Fake' implies deception or low quality; 'artificial' is more technical and neutral.

artificial vs false

'False' is used for 'true/false' or anatomical items like 'false teeth'.

artificial vs synthetic

'Synthetic' is specifically for chemical products; 'artificial' is broader.

慣用句と表現

"artificial as a plastic flower"

Extremely fake or insincere.

Her enthusiasm was as artificial as a plastic flower.

informal

"an artificial high"

A feeling of excitement caused by drugs or temporary external factors.

The caffeine gave him an artificial high that didn't last.

neutral

"breathe artificial life into"

To revive something that was failing or dead using external help.

The new investment breathed artificial life into the dying company.

metaphorical

"artificial barriers"

Rules or obstacles created by humans that don't need to exist.

We need to break down the artificial barriers between departments.

business

"artificial smile"

A smile that is forced and not felt.

He wore an artificial smile throughout the long wedding.

neutral

"artificial atmosphere"

A feeling in a place that is forced or not natural.

The themed restaurant had a very artificial atmosphere.

neutral

"artificial world"

A life or environment that is disconnected from reality.

Celebrities often live in an artificial world of fame.

metaphorical

"artificial needs"

Desires created by advertising rather than necessity.

Marketing creates artificial needs for products we don't want.

academic

"artificial constraints"

Limits that are not natural but imposed by a system.

The project was hindered by artificial constraints on the budget.

formal

"artificial person"

A legal entity like a corporation that has rights like a human.

In law, a company is considered an artificial person.

legal

間違えやすい

artificial vs synthetic

Both mean man-made.

Synthetic is used for materials made by chemical synthesis (like nylon). Artificial is broader and can include behavior or non-chemical things (like an artificial lake).

The jacket is synthetic; the lake is artificial.

artificial vs fake

Both mean not real.

Fake often implies a trick or a lie. Artificial is a more formal, descriptive term for a substitute.

He used a fake ID; he has an artificial heart.

artificial vs false

Both mean not true/natural.

False is used for logic, 'false teeth', or 'false eyelashes'. Artificial is used for more complex systems like 'artificial intelligence'.

The statement is false; the intelligence is artificial.

artificial vs ersatz

Both mean a substitute.

Ersatz usually means an inferior, poor-quality substitute used because the real thing isn't available.

They used ersatz coffee during the war.

artificial vs affected

Both describe unnatural behavior.

Affected is specifically for people who act in a certain way to impress others. Artificial is more general.

She had an affected way of walking.

文型パターン

This [noun] is artificial.

This plant is artificial.

I don't like artificial [noun].

I don't like artificial sweeteners.

It was an artificial [noun].

It was an artificial smile.

The [noun] was artificially [adjective].

The prices were artificially high.

[Noun] is a form of artificial [noun].

AI is a form of artificial intelligence.

The artificiality of [noun] is [adjective].

The artificiality of the garden is stunning.

Despite the artificial [noun], it felt [adjective].

Despite the artificial light, it felt cozy.

The distinction between [noun] and [noun] is artificial.

The distinction between work and play is artificial.

語族

名詞

動詞

形容詞

使い方

frequency

Very high in technology and food contexts; medium in social contexts.

よくある間違い

The diamond is fake. (In a scientific report) → The diamond is artificial.
'Artificial' is the correct technical term for lab-grown items; 'fake' sounds too informal.
He has a false heart. → He has an artificial heart.
We use 'artificial' for complex medical organs and 'false' for simpler things like teeth.
The light is very artificial. (When you mean it's too bright) → The artificial light is very bright.
'Artificial' describes the source of the light, not its intensity.
She is an artificial person. → She is very insincere. / She acts in an artificial way.
Calling someone an 'artificial person' sounds like they are a robot. Use 'insincere' for personality.
I want to artificial the flowers. → I want to make the flowers look artificial.
'Artificial' is an adjective, not a verb.

ヒント

Use in Writing

When writing about technology, always use 'artificial' instead of 'fake'. It sounds much more professional and accurate.

Synonym Choice

Use 'synthetic' when talking about fabrics or chemicals, and 'artificial' for everything else man-made.

Social Nuance

If you call someone's smile 'artificial', you are being quite critical. Use it only if you mean they are being insincere.

Adverb Form

Don't forget the adverb 'artificially'. It's very common in business: 'The demand was artificially created.'

Food Labels

Look for 'no artificial flavors' on packaging to see the word used in real life every day.

AI Context

'Artificial Intelligence' is the most common use of this word today. It's almost always abbreviated to 'AI'.

The 'SH' Sound

Remember the 'ti' in artificial is a 'sh' sound. Practice saying 'fish' and then 'artificial'.

Natural vs Artificial

Always think of 'artificial' as the opposite of 'natural'. This helps you decide if it's the right word to use.

Academic Tone

In essays, 'artificial' is preferred over 'man-made' because it sounds more objective and formal.

Art-ifice

Remember that 'artificial' comes from 'artifice' (skill). It's something made with human skill.

暗記しよう

記憶術

Think of 'Art' + 'Official'. An 'Art-Official' thing is something made by human 'Art' (skill) to be an 'Official' substitute for nature.

視覚的連想

Imagine a plastic rose in a garden of real roses. It looks 'artful' but it is 'artificial'.

Word Web

AI Synthetic Man-made Fake Plastic Simulated Prosthetic Sweetener

チャレンジ

Try to find three things in your room right now that are artificial and three things that are natural. Describe them using the word 'artificial'.

語源

From the Old French 'artificial' and directly from Latin 'artificialis', meaning 'of or belonging to art'.

元の意味： In the 14th century, it meant 'made by art or skill', which was often a compliment.

It belongs to the Indo-European family, specifically the Italic branch (Latin).

文化的な背景

Be careful when calling a person 'artificial'. It is a strong insult in English, suggesting they are a liar or have a fake personality.

In the US and UK, 'artificial' on food labels is a major selling point for 'natural' brands. 'No artificial colors' is a common marketing claim.

A.I. Artificial Intelligence (Steven Spielberg film) The concept of the 'Artificial Man' in Mary Shelley's Frankenstein Artificial Intelligence (AI) as a global tech trend.

実生活で練習する

実際の使用場面

Food & Nutrition

no artificial flavors
artificial sweeteners
contains artificial colors
artificial preservatives

Technology

artificial intelligence
artificial neural networks
artificial life
artificial reality

Medicine

artificial limb
artificial heart
artificial respiration
artificial insemination

Social Situations

artificial smile
artificial enthusiasm
artificial politeness
acting artificial

Environment

artificial light
artificial turf
artificial lake
artificial reef

会話のきっかけ

"Do you think artificial intelligence will eventually replace most human jobs?"

"Do you prefer natural sugar or do you use artificial sweeteners in your drinks?"

"Have you ever seen an artificial lake that looked completely real?"

"What is your opinion on artificial turf in sports stadiums?"

"Do you think it's easy to spot an artificial smile on someone's face?"

日記のテーマ

Write about a time you had to give an artificial smile. Why did you do it and how did it feel?

If you could have one artificial body part that worked better than a natural one, what would it be?

Discuss the pros and cons of using artificial intelligence in your daily life.

Describe an artificial environment you have visited, like a mall or a theme park. How did it feel compared to nature?

Do you think the word 'artificial' will have a more positive or negative meaning in 50 years?

よくある質問

10 問

No, 'artificial' is not always negative. In medicine, artificial hearts and limbs save lives. In technology, artificial intelligence is a major advancement. It only becomes negative when describing human emotions or when people prefer natural food over processed food.

Technically yes, but it sounds like you are talking about a robot. If you mean someone is not being sincere, it is better to say they are 'acting artificial' or are an 'insincere person'.

They are very similar. 'Man-made' is slightly more informal and is usually used for physical structures like 'a man-made lake'. 'Artificial' is more formal and used for technical things like 'artificial intelligence'.

No, 'artificial' is an adjective. The verb form is 'artificialize', but it is very rare. Usually, we say 'to make something artificial' or 'to simulate'.

This is a matter of collocation (words that naturally go together). 'False teeth' is an older, traditional phrase. 'Artificial heart' is a newer, more medical and technical term.

Yes, an 'artificial environment' is a place made by humans, like a shopping mall or a space station, that mimics a natural setting.

It means that something, like a price or an interest rate, is being kept low by human intervention or rules, rather than by natural market forces.

No. Plastic is a material. Many artificial things are made of plastic, but not all. An artificial lake is made of water.

It is a biological term for when humans choose which plants or animals to breed to get specific traits, like making dogs smaller or corn bigger.

It is pronounced ar-ti-FISH-al (/ˌɑːrtɪˈfɪʃəl/). The 'ti' sounds like 'sh'.