At the A1 level, learners are introduced to the most basic building blocks of the Spanish language. While 'seriamente' might seem like a long word, it's actually very regular. A1 students learn that many adverbs in Spanish are formed by adding '-mente' to the feminine form of an adjective. At this stage, the focus is on the simple meaning: 'in a serious way'. You might use it to describe how someone speaks or works. For example, 'Él habla seriamente' (He speaks seriously). It is helpful to contrast it with 'alegremente' (happily) to see how adverbs change the meaning of a verb. A1 learners should focus on the word's relationship with the adjective 'serio'. If you know 'serio' means 'serious', then 'seriamente' is just the action version. In A1, we don't worry about complex nuances; we just want to be able to say that someone is not joking or that they are doing a task with focus. It's a great word to start practicing the '-mente' suffix, which is one of the most powerful tools for expanding your vocabulary quickly. By learning this one rule, you can suddenly turn hundreds of adjectives into adverbs. Just remember: take the adjective, make it feminine (if it has a feminine form), and add '-mente'. Seriamente is a perfect, regular example of this rule.
At the A2 level, you begin to use 'seriamente' in more varied contexts, particularly to express intensity and commitment. This is the level where you move beyond simple descriptions like 'he speaks seriously' and start using it with verbs like 'considerar' (to consider) or 'pensar' (to think). For example, 'Estoy considerando seriamente estudiar español en España' (I am seriously considering studying Spanish in Spain). Here, 'seriamente' isn't just about your facial expression; it's about the depth of your intention. You will also encounter it in health contexts, such as 'está seriamente enfermo'. A2 learners should also start to notice the difference between 'seriamente' and the more common 'en serio'. While you might say '¿En serio?' to a friend, you would use 'seriamente' in a short paragraph about your future plans. This level is about building 'communicative weight'. Using 'seriamente' makes your sentences feel more grounded and adult. It’s also a good time to practice the word's placement—usually right after the verb. Practice saying phrases like 'trabajar seriamente' or 'escuchar seriamente' to get the rhythm of the four-syllable word. It’s a key part of the A2 toolkit for describing intentions and more serious life situations.
At the B1 level, 'seriamente' becomes a tool for expressing nuance and professional attitude. B1 students are expected to handle more formal situations, such as job interviews or writing formal letters. In these contexts, 'seriamente' is far superior to 'en serio'. You might say, 'Me comprometo seriamente con este proyecto' (I seriously commit myself to this project). You also start to use it to modify adjectives in a more sophisticated way. Instead of just saying something is 'muy malo', you might say it is 'seriamente perjudicado' (seriously harmed). This shows a higher level of vocabulary control. B1 is also where you learn about the 'adverbial reduction' rule: if you have two adverbs in a row, like 'slowly and seriously', you only use the '-mente' on the second one: 'lenta y seriamente'. This is a classic B1 grammar point. You should also be able to use 'seriamente' to set the tone of a conversation. 'Hablemos seriamente' is a phrase you should feel comfortable using when you need to transition from small talk to a real discussion. At this stage, you are not just learning what the word means, but how it functions as a 'discourse marker' to signal the importance of what follows.
At the B2 level, you should have a firm grasp of the semantic differences between 'seriamente' and its close cousins like 'gravemente', 'severamente', and 'formalmente'. You understand that while 'seriamente' can describe a health condition, 'gravemente' is often the more precise medical term. You use 'seriamente' to add professional polish to your speech. For instance, in a debate, you might say, 'Esta propuesta afecta seriamente a los ciudadanos' (This proposal seriously affects the citizens). You also start to use it at the beginning of sentences to express your own stance: 'Seriamente, no creo que esa sea la mejor opción'. This 'sentence adverb' usage is common in B2 level speaking tasks. You are also more aware of the word's role in collocations. You know that 'tomarse algo seriamente' is a fixed expression for taking something to heart or giving it due importance. Your pronunciation should also be fluid, handling the secondary stress on 'se-' and the primary stress on '-men-' without hesitation. At B2, 'seriamente' is no longer a 'new' word; it is a reliable tool that you use with precision to convey gravity, sincerity, and professional intensity in both spoken and written Spanish.
At the C1 level, the use of 'seriamente' is characterized by its integration into complex sentence structures and its use in academic or literary analysis. You might use it to critique a theory or a political move: 'La validez de los datos ha sido seriamente cuestionada por expertos' (The validity of the data has been seriously questioned by experts). C1 learners use 'seriamente' to manage the 'register' of their language, ensuring they don't sound too colloquial in formal essays. You also understand the subtle irony that can be employed with this word. In a sophisticated conversation, saying '¿Seriamente?' with a specific intonation can convey disbelief, mockery, or profound skepticism, depending entirely on the context. You are also proficient in using it alongside other high-level adverbs to create balanced, rhythmic sentences. For example, 'El autor aborda el tema profunda y seriamente'. At this level, you also recognize 'seriamente' in classical literature or legal documents where it might modify archaic verbs or be part of long, winding sentences. You understand that 'seriamente' contributes to the 'gravitas' of a text, and you use it strategically to influence your audience or to provide a definitive weight to your arguments.
At the C2 level, 'seriamente' is a word you use with total mastery, often in ways that reflect a deep understanding of Spanish rhetoric. You might use it in a philosophical context to discuss how one should 'vivir seriamente' (live seriously/authentically) or in a high-level legal analysis to describe how a law 'incide seriamente' (seriously impacts) on constitutional rights. At C2, you are sensitive to the word's frequency and avoid overusing it, opting instead for even more specific terms when necessary, yet knowing exactly when 'seriamente' is the most impactful choice. You can use it to create specific rhetorical effects, such as using it as a transition in a complex speech: 'Y ahora, hablando más seriamente, pasemos al tercer punto'. You also understand its historical development from the Latin 'serius' and how it maintains its 'weight' across different Romance languages. For a C2 speaker, 'seriamente' is not just a vocabulary item; it is a thread in the rich tapestry of the language that you can weave into any conversation or document to provide clarity, seriousness, and professional depth. You are also capable of identifying if a non-native speaker is using it incorrectly—perhaps as a calque from English—and you know how to correct it to sound more authentically Spanish.

seriamente in 30 Seconds

  • Seriamente means 'seriously' and is used to describe actions done with focus or gravity.
  • It is formed from the adjective 'serio' + the suffix '-mente', following standard Spanish grammar.
  • In formal contexts, it is preferred over 'en serio' to show professionalism and sincerity.
  • It can also mean 'severely' when describing damage, illness, or critical social issues.

The word seriamente is a fundamental Spanish adverb that translates directly to 'seriously' in English. It is formed by taking the feminine form of the adjective serio (which is seria) and adding the suffix -mente. This is the standard procedure for creating adverbs of manner in Spanish, similar to the '-ly' suffix in English. When we use seriamente, we are describing the manner in which an action is performed or the intensity of a state. It suggests a lack of humor, a high degree of commitment, or a situation that has grave consequences. In Spanish-speaking cultures, being 'serio' or doing things 'seriamente' is often associated with professionalism, maturity, and reliability. It is a word that transcends social classes and is equally at home in a corporate boardroom as it is in a serious family discussion at the dinner table.

Semantic Range
The term covers several distinct but related meanings. First, it refers to the physical or emotional expression of being grave or solemn. If someone is speaking seriamente, they are not joking. Second, it refers to the importance or gravity of a situation. For example, if a project is seriamente delayed, the consequences are significant. Third, it can indicate sincerity or genuine intention, as in 'considering something seriously'.

El director habló seriamente con los empleados sobre el futuro de la empresa.

Understanding the nuance of seriamente involves recognizing that it is often more formal than the common phrase en serio. While both can mean 'seriously', en serio is frequently used as an interjection (Seriously?) or to emphasize the truth of a statement (I'm telling you seriously). In contrast, seriamente almost always functions as a modifier for a verb or an adjective. For instance, you would say 'estoy seriamente preocupado' (I am seriously worried) rather than 'estoy en serio preocupado', which sounds awkward. The choice between these two often depends on the level of formality and the specific grammatical role the word is playing in the sentence.

Debemos considerar seriamente las consecuencias de nuestras acciones antes de decidir.

Cultural Nuance
In many Hispanic cultures, the concept of 'seriedad' (seriousness) is a valued character trait. It implies that a person is 'de palabra' (true to their word). Thus, when someone says they are doing something seriamente, they are invoking a cultural expectation of honor and responsibility.

La economía del país se ha visto seriamente afectada por la crisis global.

Furthermore, seriamente is used to describe physical states, particularly health. 'Estar seriamente enfermo' means to be critically or gravely ill. In this context, it is not about the person's attitude, but about the severity of the medical condition. This versatility makes it one of the most useful adverbs for intermediate learners to master. It allows you to move beyond simple descriptions and start expressing complex intensities and professional attitudes. Whether you are discussing politics, health, or your own intentions, seriamente provides the weight needed to make your Spanish sound more sophisticated and precise.

No puedes tomarte este examen a la ligera; tienes que estudiar seriamente.

Synonym comparison
While sinceramente means 'sincerely' and honestamente means 'honestly', seriamente focuses more on the gravity and the formal nature of the action rather than just the truthfulness of the speaker.

Ella me miró seriamente y me dijo que no podía venir a la fiesta.

Using seriamente correctly involves understanding its placement and the types of words it typically modifies. As an adverb, its most common position is after the verb it modifies. However, for emphasis, it can occasionally appear at the beginning of a sentence. When modifying an adjective, it always precedes that adjective. This flexibility allows speakers to highlight different aspects of their message. Let's explore the various grammatical structures where seriamente thrives.

Modifying Verbs
This is the primary usage. It answers the question 'How?'. For example, 'Él trabaja seriamente' (He works seriously). Here, it describes the quality of his labor. Common verbs paired with seriamente include: hablar, pensar, considerar, trabajar, estudiar, and comprometerse.

¿Has pensado seriamente en mudarte a otro país?

Another crucial use is when seriamente modifies adjectives to indicate degree or intensity. In these cases, it often translates as 'severely' or 'gravely'. For instance, 'está seriamente dañado' (it is seriously damaged). This is common in news reports, medical contexts, and technical descriptions. Notice how the adverb adds a layer of weight that a simple 'muy' (very) cannot convey. 'Muy dañado' means very damaged, but 'seriamente dañado' implies that the damage is critical or has structural implications.

El edificio quedó seriamente afectado por el terremoto de ayer.

Sentence Placement
While usually placed after the verb, placing it at the start (Seriamente, no creo que sea buena idea) acts as a sentence adverb, reflecting the speaker's attitude toward the entire statement. This is similar to saying 'In all seriousness' or 'Quite frankly'.

Seriamente, ¿crees que podemos ganar el campeonato este año?

In negative sentences, seriamente usually stays after the verb. 'No lo tomes seriamente' (Don't take it seriously). However, if you want to say 'He doesn't seriously think that...', you would say 'Él no piensa seriamente que...'. It's important to note that Spanish speakers often prefer the phrase en serio in informal conversation, but seriamente is the standard for written Spanish and formal speech. If you are writing an essay or a business email, seriamente is the superior choice. It conveys a level of education and precision that marks you as a proficient speaker.

La propuesta fue rechazada porque no fue presentada seriamente.

Common Collocations
Tomar(se) algo seriamente: To take something seriously.
Comprometerse seriamente: To commit seriously.
Estar seriamente preocupado: To be seriously worried.

Me preocupa seriamente que no hayamos recibido noticias todavía.

The word seriamente is ubiquitous in Spanish-speaking environments, but its frequency and application vary depending on the setting. You will hear it most often in contexts where gravity and consequence are present. This includes news broadcasts, medical consultations, legal proceedings, and academic lectures. In these professional settings, seriamente is the standard way to denote importance. For example, a news anchor might say, 'El gobierno está considerando seriamente nuevas medidas de seguridad' (The government is seriously considering new security measures).

In the Workplace
In a professional environment, seriamente is used to discuss projects, deadlines, and performance. A boss might tell an employee, 'Necesitamos trabajar seriamente para terminar esto a tiempo'. It signals that the time for joking or lightheartedness has passed and that focus is required.

Si quieres el ascenso, debes empezar a tomarte tus tareas más seriamente.

In daily life, you will hear it during 'heart-to-heart' conversations. When a friend or family member wants to discuss something significant—like a relationship issue or a life-changing decision—they will often preface it with 'Hablemos seriamente'. This phrase serves as a social cue to the listener to put away distractions and listen with intent. It’s also common in parental discipline. A parent might look at a child and say, 'Te lo digo seriamente: no vuelvas a hacer eso'. Here, the adverb adds a layer of authority and warning.

Hablemos seriamente sobre nuestras finanzas antes de comprar la casa.

In Media and Literature
You'll find seriamente in novels and newspapers to describe the state of characters or the world. 'El protagonista estaba seriamente herido' (The protagonist was seriously wounded). It provides a more dramatic and formal tone than colloquial alternatives.

El artículo critica seriamente la gestión del alcalde durante la inundación.

Interestingly, in some regions, seriamente can be used ironically or for hyperbole, though this is less common than with 'en serio'. For example, if someone eats a giant burger, a friend might say, '¿Seriamente te vas a comer todo eso?'. However, even in this informal context, the choice of seriamente over en serio adds a mock-formal weight to the question, making the irony more pointed. Overall, whether you are listening to a podcast about history, watching a Spanish soap opera (telenovela), or chatting with a colleague, seriamente is a word that will frequently cross your path, signaling that the topic at hand deserves your full attention.

El paciente está seriamente enfermo y necesita cuidados intensivos.

News Context
In reports about disasters or economic shifts, seriamente is used to quantify damage. 'La infraestructura fue seriamente dañada por el huracán'.

¿Podemos hablar seriamente un momento? Tengo algo importante que decirte.

Even though seriamente seems straightforward, English speakers often make predictable errors when using it. The most common mistake is confusing it with the adjective serio/seria. Remember, serio describes a person or thing (un hombre serio, un problema serio), while seriamente describes how an action is done or to what degree an adjective applies. You cannot say 'Él es seriamente' to mean 'He is serious'; you must say 'Él es serio'.

Adverb vs. Adjective
Mistake: 'Él habla serio'. Correct: 'Él habla seriamente'. While in informal Spanish people sometimes use the adjective as an adverb (similar to 'talk serious' in English), in proper Spanish, the -mente form is required for clarity and correctness.

Incorrecto: El problema es seriamente.
Correcto: El problema es serio.

Another frequent error is the over-reliance on seriamente in informal contexts where en serio would be more natural. If you are asking a friend if they are kidding, '¿Seriamente?' sounds a bit like a robot or a textbook. Use '¿En serio?' or '¿De verdad?' for that quick, conversational reaction. Using seriamente in casual settings can make you sound overly stiff or even unintentionally condescending, as if you are lecturing the other person.

Incorrecto: ¿Seriamente? (when a friend says they won the lottery).
Correcto: ¿En serio?

Placement Errors
In English, we often put 'seriously' between the subject and the verb ('I seriously doubt it'). In Spanish, placing it there ('Yo seriamente dudo') is possible but often sounds like a direct translation from English. It is much more natural to say 'Dudo seriamente'.

Natural: Él considera seriamente la oferta.
Less Natural: Él seriamente considera la oferta.

Finally, watch out for 'false friend' confusion. While seriamente is a true cognate of 'seriously', don't confuse the adjective serio with 'series' (which is serie). Some learners mistakenly try to form an adverb from serie to mean 'serially', but seriamente never means 'in a series'. For 'serially', use en serie or secuencialmente. Keeping these distinctions in mind will help you avoid the 'gringo' traps and speak with more authentic flow.

No confunda: seriamente (manner) con en serie (production/sequence).

Spelling Note
Remember that seriamente does not have an accent mark. While serio doesn't have one either, some learners get confused because other adverbs like rápidamente keep the accent of the original adjective (rápido).

Incorrecto: seriámente.
Correcto: seriamente.

To truly master seriamente, you should know its synonyms and how they differ in nuance. Spanish is rich in adverbs and adverbial phrases that can replace seriamente depending on whether you want to emphasize honesty, gravity, or formality. Using a variety of these terms will make your Spanish sound more natural and less repetitive.

En serio vs. Seriamente
En serio is the most common conversational alternative. It is versatile and can act as an adverbial phrase or an exclamation. Use it with friends. Use seriamente in writing or when you want to sound more authoritative.

Amigos: ¿Lo dices en serio?
Trabajo: Debemos analizar este asunto seriamente.

When seriamente means 'gravely' (as in health or damage), the best alternatives are gravemente or severamente. Gravemente is specifically used for illnesses or injuries ('herido gravemente'). Severamente is often used for punishments, weather, or criticism ('criticado severamente'). If you use seriamente in these cases, it's correct, but gravemente sounds more precise in a medical context.

El paciente está gravemente herido. (More common than seriamente herido in hospitals).

Formal Alternatives
Formalmente: Used when referring to the official nature of an action. 'Me quejé formalmente'.
Sinceramente: Used when the focus is on the truthfulness of the speaker's heart.
Rigurosamente: Used when implying strict adherence to rules or logic.

El estudio fue realizado rigurosamente siguiendo el método científico.

Another interesting alternative is de veras. This is very common in Mexico and parts of Latin America. It's similar to 'really' or 'truly'. While it doesn't carry the same weight as seriamente, it's a great word to have in your pocket for casual conversations. Finally, if you want to say someone is acting seriously in terms of being professional, you can use the phrase con profesionalismo. In summary, while seriamente is a 'heavy hitter' adverb, knowing when to swap it for en serio, gravemente, or sinceramente will make your Spanish much more nuanced.

¿De veras no te gusta el chocolate? ¡No lo puedo creer!

Antonyms
En broma: In jest/joking.
Ligeramente: Lightly/Slightly.
Superficialmente: Superficially.

No te enfades, lo dije en broma.

How Formal Is It?

Fun Fact

In Latin, adverbs were often formed using the phrase 'clara mente' (with a clear mind). Over time, 'mente' became a suffix used to turn almost any feminine adjective into an adverb in Romance languages like Spanish, Italian, and French.

Pronunciation Guide

UK /ˌse.ɾjaˈmen.te/
US /ˌse.ɾjaˈmen.te/
The primary stress is on the syllable 'men'. Spanish adverbs ending in -mente have two stresses: a secondary one on the original adjective's stress (se-) and a primary one on the suffix (-men-).
Rhymes With
fuertemente claramente felizmente rápidamente mente gente puente fuente
Common Errors
  • Stressing the 'a' in 'seria' too much.
  • Pronouncing 'ria' as two syllables 'ri-a'.
  • Adding an English 'r' sound.
  • Missing the stress on 'men'.
  • Pronouncing the final 'e' like 'ey'.

Difficulty Rating

Reading 2/5

Easy to recognize because it is a cognate of 'seriously'.

Writing 3/5

Requires remembering the feminine form 'seria' before adding '-mente'.

Speaking 3/5

The four syllables require some practice for fluid pronunciation.

Listening 2/5

Clearly pronounced in most dialects.

What to Learn Next

Prerequisites

serio seria mente hablar trabajar

Learn Next

gravemente severamente sinceramente en serio seriedad

Advanced

circunspección solemnidad rigurosidad formalidad

Grammar to Know

Adverb formation with -mente

seria (adj) + mente = seriamente

Adverbial reduction

Habló clara y seriamente (not claramente y seriamente)

Placement after verbs

Él estudia seriamente.

Placement before adjectives

Está seriamente preocupado.

Invariability of adverbs

Ellas trabajan seriamente (no change for gender/number).

Examples by Level

1

Yo hablo seriamente con mi madre.

I speak seriously with my mother.

Simple adverb following the verb.

2

Él trabaja seriamente todos los días.

He works seriously every day.

Adverb modifying the verb 'trabaja'.

3

Ella estudia seriamente para el examen.

She studies seriously for the exam.

Adverbial phrase showing manner.

4

Nosotros escuchamos seriamente al profesor.

We listen seriously to the teacher.

Subject-verb-adverb-object order.

5

Ustedes deben jugar seriamente.

You (plural) must play seriously.

Adverb modifying the infinitive 'jugar'.

6

El gato mira seriamente al pájaro.

The cat looks seriously at the bird.

Personification through the adverb.

7

Hablo seriamente, no es una broma.

I am speaking seriously, it is not a joke.

Contrast between adverb and noun 'broma'.

8

Ellos caminan seriamente por la calle.

They walk seriously down the street.

Adverb describing physical action.

1

Estamos considerando seriamente comprar un coche.

We are seriously considering buying a car.

Modifying a gerund phrase.

2

El abuelo está seriamente enfermo.

Grandfather is seriously ill.

Modifying the adjective 'enfermo'.

3

Necesitas tomarte las clases más seriamente.

You need to take the classes more seriously.

Used with the reflexive verb 'tomarse'.

4

Hablamos seriamente sobre el futuro.

We talked seriously about the future.

Prepositional phrase 'sobre el futuro'.

5

El jefe nos miró seriamente durante la reunión.

The boss looked at us seriously during the meeting.

Adverbial placement for emphasis.

6

No puedes hablar seriamente y reírte al mismo tiempo.

You can't speak seriously and laugh at the same time.

Contrast of manners.

7

Pienso seriamente en cambiar de trabajo.

I am seriously thinking about changing jobs.

Verb 'pensar' + adverb.

8

La tormenta dañó seriamente el tejado.

The storm seriously damaged the roof.

Modifying the past tense verb 'dañó'.

1

El gobierno está seriamente preocupado por la inflación.

The government is seriously concerned about inflation.

Adverb + participle used as adjective.

2

Debemos abordar este problema clara y seriamente.

We must address this problem clearly and seriously.

Adverbial reduction rule (-mente only on the second).

3

Se comprometió seriamente a terminar el proyecto.

He committed himself seriously to finishing the project.

Reflexive verb 'comprometerse'.

4

La empresa fue seriamente criticada por la prensa.

The company was seriously criticized by the press.

Passive voice with adverbial modifier.

5

Seriamente, ¿crees que esto va a funcionar?

Seriously, do you think this is going to work?

Sentence adverb at the beginning.

6

El accidente afectó seriamente su capacidad de caminar.

The accident seriously affected his ability to walk.

Verb 'afectar' + adverb.

7

No me tomes seriamente, solo estoy bromeando.

Don't take me seriously, I'm just joking.

Negative imperative with adverb.

8

Ella se prepara seriamente para las olimpiadas.

She is preparing seriously for the Olympics.

Reflexive verb showing dedication.

1

La crisis económica ha golpeado seriamente al sector turístico.

The economic crisis has seriously hit the tourism sector.

Perfect tense with adverbial modifier.

2

Es un asunto que hay que tratar seriamente en el consejo.

It is a matter that must be treated seriously in the council.

Infinitive 'tratar' modified by adverb.

3

Me preocupa seriamente la falta de transparencia.

The lack of transparency seriously worries me.

Verb 'preocupar' with adverb.

4

El informe advierte seriamente sobre los riesgos del cambio climático.

The report seriously warns about the risks of climate change.

Formal verb 'advertir'.

5

Si no estudias seriamente, no aprobarás las oposiciones.

If you don't study seriously, you won't pass the civil service exams.

Conditional clause with adverb.

6

La reputación de la marca se vio seriamente comprometida.

The brand's reputation was seriously compromised.

Passive construction with 'verse'.

7

Hablemos seriamente: ¿cuánto dinero necesitamos realmente?

Let's talk seriously: how much money do we really need?

Imperative 'hablemos' used as a transition.

8

Su salud se ha deteriorado seriamente en los últimos meses.

His health has seriously deteriorated in recent months.

Reflexive verb 'deteriorarse'.

1

La validez del experimento fue seriamente cuestionada por la comunidad científica.

The validity of the experiment was seriously questioned by the scientific community.

Complex passive voice.

2

El autor reflexiona seriamente sobre la condición humana en su última novela.

The author reflects seriously on the human condition in his latest novel.

Literary register.

3

Seriamente hablando, no podemos ignorar las implicaciones éticas de la IA.

Seriously speaking, we cannot ignore the ethical implications of AI.

Gerund phrase 'hablando' used as a discourse marker.

4

La escasez de agua está afectando seriamente a la agricultura de la región.

The water shortage is seriously affecting the region's agriculture.

Progressive tense with adverb.

5

Debemos plantearnos seriamente si este modelo de negocio es sostenible.

We must seriously ask ourselves if this business model is sustainable.

Reflexive 'plantearse'.

6

La seguridad del sistema ha sido seriamente vulnerada por el ataque informático.

The system's security has been seriously breached by the cyber attack.

Technical/Legal register.

7

Es necesario que el tribunal evalúe seriamente todas las pruebas presentadas.

It is necessary for the court to seriously evaluate all the evidence presented.

Subjunctive mood after 'es necesario que'.

8

Su credibilidad como testigo se ha visto seriamente mermada.

His credibility as a witness has been seriously diminished.

Formal verb 'mermar'.

1

La ontología del ser es un tema que Heidegger abordó muy seriamente.

The ontology of being is a subject that Heidegger addressed very seriously.

Academic register.

2

La soberanía nacional se vería seriamente amenazada si se firmara ese tratado.

National sovereignty would be seriously threatened if that treaty were signed.

Conditional mood with hypothetical 'si' clause.

3

Pocos autores han tratado la melancolía tan seriamente como lo hizo Burton.

Few authors have treated melancholy as seriously as Burton did.

Comparative structure 'tan... como'.

4

El fiscal argumentó que el acusado había planeado seriamente el crimen.

The prosecutor argued that the defendant had seriously planned the crime.

Legal register, pluperfect tense.

5

La cohesión social está seriamente en entredicho debido a la polarización política.

Social cohesion is seriously in question due to political polarization.

Idiomatic expression 'en entredicho'.

6

Cualquier intento de reforma debe ser seriamente sopesado por los legisladores.

Any attempt at reform must be seriously weighed by legislators.

Formal verb 'sopesar'.

7

La integridad territorial del país fue seriamente cuestionada durante el conflicto.

The territorial integrity of the country was seriously questioned during the conflict.

High-level political discourse.

8

Se requiere un análisis que diseccione seriamente las causas del fenómeno.

An analysis is required that seriously dissects the causes of the phenomenon.

Metaphorical use of 'disseccionar'.

Common Collocations

tomar seriamente
hablar seriamente
considerar seriamente
afectar seriamente
estar seriamente enfermo
trabajar seriamente
estudiar seriamente
dañar seriamente
comprometerse seriamente
pensar seriamente

Common Phrases

Hablemos seriamente

— Let's have a serious talk. Used to transition to an important topic.

Hablemos seriamente sobre nuestro presupuesto.

Tomarse las cosas seriamente

— To take things seriously. Refers to a mature attitude.

Él no se toma las cosas seriamente.

Estar seriamente preocupado

— To be deeply worried about something with potential bad outcomes.

Estoy seriamente preocupado por su salud.

Considerar seriamente una oferta

— To give a proposal deep thought before deciding.

La junta está considerando seriamente la oferta de compra.

Dañar seriamente la reputación

— To cause significant harm to how someone is perceived.

El escándalo dañó seriamente su reputación.

Seriamente afectado

— Significantly impacted by a negative event.

El pueblo fue seriamente afectado por la inundación.

Trabajar seriamente en algo

— To put dedicated and professional effort into a task.

Estamos trabajando seriamente en el nuevo diseño.

Comprometerse seriamente

— To make a firm and sincere promise or obligation.

Se comprometió seriamente a dejar de fumar.

Mirar seriamente

— To look at someone with a grave or stern expression.

El profesor me miró seriamente cuando llegué tarde.

Advertir seriamente

— To give a stern warning about a danger or consequence.

El médico le advirtió seriamente sobre su dieta.

Often Confused With

seriamente vs serio

Serio is an adjective (serious man), seriamente is an adverb (works seriously).

seriamente vs en serie

En serie means 'in a series' or 'mass-produced', not 'seriously'.

seriamente vs seguramente

Seguramente means 'probably' or 'surely', which sounds similar but has a different meaning.

Idioms & Expressions

"Hablar muy en serio"

— To speak with absolute sincerity and no joking. While not using 'seriamente', it's the idiomatic equivalent.

Te hablo muy en serio, no vayas por ahí.

neutral
"Ponerse serio"

— To become serious after being lighthearted.

Ahora vamos a ponernos serios y trabajar.

informal
"Tomar a pecho"

— To take something very personally or seriously.

No te tomes su crítica tan a pecho.

informal
"Ir en serio"

— To be serious about a relationship or a plan.

Su relación va muy en serio.

neutral
"Dejarse de bromas"

— To stop joking and get serious.

Déjate de bromas y hablemos seriamente.

informal
"A calzón quitado"

— To speak very seriously and honestly, without hiding anything.

Hablamos a calzón quitado sobre el divorcio.

slang/informal
"Con el corazón en la mano"

— To speak with total sincerity and seriousness.

Te lo digo con el corazón en la mano, te quiero.

neutral
"No estar para bromas"

— To not be in the mood for jokes; to be in a serious state.

Hoy no estoy para bromas, tengo mucho estrés.

informal
"A rajatabla"

— To follow something very seriously and strictly.

Sigue las reglas a rajatabla.

informal
"Poner los puntos sobre las íes"

— To clarify things seriously and precisely.

Tuvimos que poner los puntos sobre las íes en la reunión.

neutral

Easily Confused

seriamente vs en serio

Both translate to 'seriously'.

'En serio' is an adverbial phrase used mostly in conversation and as an exclamation. 'Seriamente' is a formal adverb of manner.

En serio, ¿te gusta? / Trabaja seriamente.

seriamente vs gravemente

Both can mean 'seriously' in the context of health.

'Gravemente' is more specific to life-threatening or very severe physical conditions. 'Seriamente' is more general.

Está gravemente herido.

seriamente vs severamente

Both indicate a high degree of intensity.

'Severamente' implies harshness, strictness, or punishment. 'Seriamente' implies gravity or lack of humor.

Fue severamente castigado.

seriamente vs sinceramente

Both relate to the speaker's intent.

'Sinceramente' focuses on the heart and honesty. 'Seriamente' focuses on the gravity and importance.

Sinceramente, te creo.

seriamente vs fuertemente

Both can describe how something is affected.

'Fuertemente' refers to physical strength or force. 'Seriamente' refers to the importance of the impact.

Golpeó la mesa fuertemente.

Sentence Patterns

A1

Sujeto + Verbo + seriamente

Yo trabajo seriamente.

A2

Estar + seriamente + adjetivo

Él está seriamente enfermo.

B1

Considerar + seriamente + infinitivo

Considero seriamente viajar.

B2

Verse + seriamente + participio

La casa se vio seriamente afectada.

C1

Seriamente hablando, + oración

Seriamente hablando, no es posible.

C1

Adverbio + y + seriamente

Abordó el tema profunda y seriamente.

C2

Sustantivo + que + verbo + seriamente

Es un riesgo que afecta seriamente la paz.

C2

Tan + seriamente + como

Nadie lo pensó tan seriamente como él.

Word Family

Nouns

seriedad (seriousness)
serie (series - false friend in this context)

Verbs

seriar (to serialize - technical)
seriarse (to become serious - rare)

Adjectives

serio (serious - masculine)
seria (serious - feminine)

Related

grave
solemne
formal
sincero
severo

How to Use It

frequency

High in written Spanish, Medium-High in spoken Spanish.

Common Mistakes
  • Using 'seriamente' to describe a person's character. Él es serio.

    Adverbs modify verbs or adjectives, not nouns. To describe a person, use the adjective 'serio'.

  • Adding an accent: 'seriámente'. seriamente

    Spanish adverbs only have accents if the original adjective had one. 'Serio' does not have an accent.

  • Saying 'Yo seriamente pienso'. Yo pienso seriamente.

    In Spanish, adverbs usually follow the verb. Putting it before sounds like a direct translation from English.

  • Using 'seriamente' as a casual exclamation. ¿En serio?

    While '¿Seriamente?' is grammatically possible, it sounds overly formal and weird in casual conversation.

  • Confusing 'seriamente' with 'en serie'. Producción en serie.

    'En serie' means mass-produced or in a sequence. 'Seriamente' means in a serious manner.

Tips

Formation Rule

Always use the feminine form of the adjective. Serio -> Seria -> Seriamente. This works for most Spanish adjectives.

Business Spanish

Use 'seriamente' in emails to show you are committed. 'Estamos seriamente interesados' sounds much better than 'nos gusta mucho'.

The Stress Shift

Don't forget that the stress moves to the '-men-' syllable. It's not se-RIA-mente, it's se-ria-MEN-te.

Pair with Verbs

Learn it as part of pairs: 'considerar seriamente', 'hablar seriamente', 'tomar seriamente'. This helps you use it more naturally.

Seriedad

In Spain and Latin America, being 'serio' is about integrity. When you use 'seriamente', you are signaling that you are a person of your word.

Avoid Repetition

If you use 'seriamente' in one sentence, try 'en serio' or 'gravemente' in the next to keep your writing interesting.

Tone Matters

When you hear 'seriamente', the speaker is usually about to say something very important. Pay close attention to what follows.

Not for People

Don't say 'Él es seriamente'. Say 'Él es serio'. Adverbs describe actions, adjectives describe people.

Intensity

'Seriamente' is stronger than 'muy'. 'Seriamente preocupado' is more intense and formal than 'muy preocupado'.

The 'En Serio' Pivot

In conversation, start with 'Hablando seriamente...' to clear the air and make everyone focus on your next point.

Memorize It

Mnemonic

Think of a 'SERIous MENTE' (serious mind). In Spanish, -mente means -ly, so it's 'seriously'.

Visual Association

Imagine a judge in a courtroom wearing a wig and looking very grave while saying 'seriamente'.

Word Web

serio seriedad grave formal mente en serio sinceramente severamente

Challenge

Try to use 'seriamente' in three different contexts today: once about work, once about health, and once about a future plan.

Word Origin

Derived from the Latin adjective 'serius', meaning 'grave' or 'earnest'. The suffix '-mente' comes from the Latin noun 'mens, mentis', meaning 'mind'.

Original meaning: Originally, it meant 'with a serious mind' or 'in a serious spirit'.

Romance (Latin origin).

Cultural Context

No specific sensitivities, but be aware that using it too much in casual conversation can make you sound stern or unfriendly.

English speakers often use 'seriously' as a filler word or to express disbelief. Spanish speakers use 'seriamente' more formally and use 'en serio' for those informal roles.

Spanish news often uses the phrase 'seriamente afectado' when reporting on natural disasters. In literature, Miguel de Unamuno often wrote about the 'sentimiento trágico de la vida' which involves living life 'seriamente'. Telenovelas use 'Hablemos seriamente' as a classic trope before a major plot reveal.

Practice in Real Life

Real-World Contexts

Workplace

  • Trabajar seriamente
  • Considerar seriamente
  • Comprometerse seriamente
  • Analizar seriamente

Health

  • Estar seriamente enfermo
  • Estar seriamente herido
  • Estar seriamente preocupado
  • Afectar seriamente la salud

News/Politics

  • Seriamente dañado
  • Seriamente cuestionado
  • Seriamente amenazado
  • Seriamente afectado

Personal Relationships

  • Hablar seriamente
  • Tomarse algo seriamente
  • Pensar seriamente
  • Prometer seriamente

Academic

  • Estudiar seriamente
  • Investigar seriamente
  • Abordar seriamente
  • Evaluar seriamente

Conversation Starters

"¿Has pensado seriamente en mudarte a otro país?"

"¿Qué cosas de la vida te tomas más seriamente?"

"¿Podemos hablar seriamente sobre tus metas para este año?"

"¿Crees que la gente hoy en día se toma el cambio climático seriamente?"

"¿Cuándo fue la última vez que hablaste seriamente con tu jefe?"

Journal Prompts

Escribe sobre una decisión que estés considerando seriamente en este momento.

Describe una situación en la que alguien te habló seriamente y cómo te sentiste.

¿Qué significa para ti trabajar seriamente en un proyecto personal?

Reflexiona sobre cómo el estrés puede afectar seriamente la salud de una persona.

Escribe una carta formal donde pidas que se tome seriamente una queja tuya.

Frequently Asked Questions

10 questions

No, 'seriamente' does not have an accent mark. In Spanish, adverbs ending in '-mente' only keep the accent if the original adjective had one (like 'rápidamente' from 'rápido'). Since 'serio' has no accent, 'seriamente' has none either.

You can, but it sounds very formal or even slightly robotic. In 99% of casual situations, Spanish speakers will say '¿En serio?' or '¿De verdad?' instead. Use 'seriamente' when you want to emphasize that you are being grave.

Usually, you put it immediately after the verb it modifies, like 'Él piensa seriamente'. If it modifies an adjective, put it before: 'está seriamente dañado'. You can also put it at the very beginning of a sentence for emphasis.

Adverbs in Spanish do not have gender. They are invariable. However, they are always formed from the feminine form of the adjective (seria + mente). But once formed, 'seriamente' never changes, regardless of who is doing the action.

'Seriamente' is a broad term for 'seriously'. 'Gravemente' is more specific and usually refers to health (gravemente enfermo) or very serious legal/social situations. If a person is in the hospital, 'gravemente' is more common.

In informal, spoken Spanish, people sometimes use the adjective as an adverb (hablar serio). However, in writing and formal speech, you should always use 'seriamente'. It is the grammatically correct way to describe the manner of speaking.

It has four syllables: se-ria-men-te. The 'ria' is one syllable (a diphthong). There is a slight stress on 'se' and a stronger, primary stress on 'men'. Make sure the 'r' is a quick tap, not an English 'r'.

Yes, it is very common, especially in professional, academic, and news contexts. It is a word every intermediate Spanish learner should know and use to sound more proficient.

The most common opposites are 'en broma' (in jest), 'ligeramente' (lightly), or 'superficialmente' (superficial). If someone isn't acting 'seriamente', they might be 'jugando' or 'bromeando'.

Yes, if you place it at the beginning. 'Seriamente, no creo que esto sea buena idea' means 'In all seriousness, I don't think this is a good idea'. It sets the tone for the entire statement.

Test Yourself 180 questions

writing

Translate to Spanish: 'I need to talk to you seriously.'

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writing

Write a sentence using 'seriamente' and 'estudiar'.

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writing

Translate to Spanish: 'The car was seriously damaged.'

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writing

Translate to Spanish: 'Seriously, I don't know the answer.'

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writing

Use 'seriamente' to describe a health situation.

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writing

Translate: 'He is seriously considering changing jobs.'

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writing

Create a formal sentence with 'seriamente' for a business email.

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writing

Translate: 'The economy is seriously affected by the crisis.'

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writing

Write a sentence using the rule for two adverbs (one ending in -mente).

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writing

Translate: 'Don't take it seriously.'

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writing

Use 'seriamente' to describe how someone works.

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writing

Translate: 'The system was seriously breached.'

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writing

Translate: 'I seriously doubt his story.'

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writing

Write a sentence with 'seriamente' modifying an adjective.

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writing

Translate: 'We must address the issue seriously.'

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writing

Translate: 'He looked at me seriously.'

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writing

Translate: 'I am seriously thinking about it.'

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writing

Use 'seriamente' in a sentence about politics.

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writing

Translate: 'Your health could be seriously compromised.'

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writing

Translate: 'Seriously, what are you doing?'

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speaking

Say out loud: 'Hablemos seriamente sobre el presupuesto.'

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speaking

Say out loud: 'Estoy seriamente preocupado por ti.'

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speaking

Say out loud: 'Tienes que estudiar más seriamente.'

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speaking

Say out loud: 'El director nos miró seriamente.'

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speaking

Say out loud: '¿Lo estás considerando seriamente?'

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speaking

Say out loud: 'No me tomes seriamente, por favor.'

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speaking

Say out loud: 'El coche está seriamente dañado.'

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speaking

Say out loud: 'Seriamente, no sé qué decir.'

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speaking

Say out loud: 'Debemos abordar este tema seriamente.'

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speaking

Say out loud: 'Me comprometo seriamente con el equipo.'

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speaking

Say out loud: 'La crisis afecta seriamente al empleo.'

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speaking

Say out loud: 'Hablamos clara y seriamente.'

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speaking

Say out loud: 'Dudo seriamente de su palabra.'

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speaking

Say out loud: 'El paciente está seriamente enfermo.'

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speaking

Say out loud: 'Piénsalo seriamente antes de decidir.'

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speaking

Say out loud: 'La propuesta fue seriamente cuestionada.'

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speaking

Say out loud: 'Su salud se deterioró seriamente.'

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speaking

Say out loud: 'Seriamente hablando, es imposible.'

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speaking

Say out loud: 'Sopesamos seriamente todas las opciones.'

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speaking

Say out loud: 'La integridad está seriamente amenazada.'

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listening

Listen and write: 'Él trabaja seriamente.'

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listening

Listen and write: 'Hablemos seriamente un momento.'

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listening

Listen and write: 'Estoy seriamente preocupado.'

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listening

Listen and write: 'Considero seriamente mudarme.'

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listening

Listen and write: 'El tejado está seriamente dañado.'

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listening

Listen and write: 'La economía se vio seriamente afectada.'

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listening

Listen and write: 'Seriamente, ¿qué piensas de esto?'

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listening

Listen and write: 'Debemos evaluar seriamente los riesgos.'

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listening

Listen and write: 'Se comprometió seriamente con nosotros.'

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listening

Listen and write: 'La seguridad fue seriamente vulnerada.'

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listening

Listen and write: 'Su reputación está seriamente mermada.'

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listening

Listen and write: 'Seriamente hablando, no hay tiempo.'

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listening

Listen and write: 'Sopesamos seriamente la oferta.'

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listening

Listen and write: 'La soberanía fue seriamente cuestionada.'

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listening

Listen and write: 'Él planeó seriamente el crimen.'

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/ 180 correct

Perfect score!

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