At the A1 level, you should learn 'mortal' as a simple adjective that means 'mortal' or 'human'. It is easy to remember because it looks and sounds exactly like the English word. At this stage, you will mostly use it to describe basic facts about life and death. For example, you might learn that 'Los humanos son mortales' (Humans are mortal). It is important to know that it doesn't change for men or women. You can say 'Él es mortal' and 'Ella es mortal'. You only need to add an 'es' at the end when talking about more than one person: 'Ellos son mortales'. This is a good word to start building your vocabulary about biology and people.
At the A2 level, you begin to see 'mortal' in more common phrases. You might encounter it in stories or news reports describing 'un accidente mortal' (a fatal accident). You should also learn the phrase 'enemigos mortales' (mortal enemies), which is very common in movies and cartoons. At this level, you should be comfortable using 'mortal' to describe things that are very dangerous or can cause death. You are also starting to see it used as a noun, like 'los mortales' meaning 'human beings'. Remember that the word always stays the same regardless of gender, which makes it easier to use than many other Spanish adjectives.
At the B1 level, you should start using 'mortal' in more abstract and figurative ways. This includes the religious or moral term 'pecado mortal' (mortal sin) and the formal way to refer to bodies as 'restos mortales' (mortal remains). You will also notice it in sports, specifically 'salto mortal' for a somersault or flip. Your understanding should expand to include how 'mortal' is used to emphasize intensity. If you are very tired, you might say 'estoy mortal' (though 'estoy muerto' is more common, 'mortal' adds a different flavor in some regions). You should also be able to distinguish 'mortal' from 'muerto' (dead) and 'muerte' (death) in your writing and speaking.
At the B2 level, you should be familiar with the colloquial and hyperbolic uses of 'mortal'. In Spain, for example, 'mortal' can mean something is incredibly boring ('un aburrimiento mortal') or incredibly good ('una tarta mortal'). You should understand the nuance of using 'mortal' versus 'letal' or 'mortífero'. You are expected to use 'mortal' in more complex sentence structures and understand its role in literature and philosophy. You should also recognize the irony when someone says 'somos simples mortales' to humility or humor. Your ability to switch between the literal meaning (deadly) and the figurative meaning (intense) should be fluid.
At the C1 level, you should have a deep appreciation for the literary and historical weight of the word 'mortal'. You will encounter it in classical Spanish texts (like those of Quevedo or Cervantes) where it is used to contemplate the transience of life. You should be able to use it in sophisticated arguments about ethics, medicine, or theology. You should also be aware of regional variations in its colloquial use across the Spanish-speaking world. For instance, how 'mortal' might be used in Argentina versus Spain. Your vocabulary should also include related terms like 'mortandad' or 'inmortalizar', and you should be able to use 'mortal' to add poetic flair to your descriptions.
At the C2 level, 'mortal' is a tool for precision and stylistic variation. You can use it to evoke specific emotional responses or to reference cultural tropes. You understand its etymological roots and how it interacts with other Latinate words in the Spanish lexicon. You can effortlessly use it in academic writing, legal contexts (like 'víctima mortal'), and high-level creative writing. You are also a master of its slang applications, knowing exactly when 'mortal' will sound natural and when it will sound forced. At this level, the word is no longer just a translation of 'mortal'; it is a multifaceted concept that you can manipulate to suit any communicative need.

mortal in 30 Seconds

  • Mortal means subject to death, like all humans and animals.
  • It also describes things that cause death, such as a mortal wound.
  • Colloquially, it can mean extremely boring or very impressive.
  • It is a gender-neutral adjective that adds -es for plural (mortales).

The Spanish adjective mortal is a powerful and versatile word that translates directly to the English 'mortal'. At its most fundamental level, it describes the inherent condition of living beings: the inevitability of death. However, its usage in Spanish extends far beyond biological reality, touching upon literature, philosophy, and even modern slang. When you use the word mortal, you are often highlighting the fragility of life or the extreme nature of a situation. It serves as a bridge between the clinical description of mortality and the emotional weight of something that is 'deadly' or 'fatal'.

Biological Context
Refers to any organism that is subject to death. Example: 'El ser humano es por naturaleza mortal.' (The human being is by nature mortal.)
Lethality
Describes something that causes or is capable of causing death. Example: 'Recibió una herida mortal durante la batalla.' (He received a mortal wound during the battle.)
Colloquial Intensity
In Spain and parts of Latin America, it is used to describe something extremely boring, tiring, or impressive. Example: 'Esta película es un aburrimiento mortal.' (This movie is deadly boring.)

La fragilidad de nuestra existencia nos recuerda que somos seres mortales en un universo infinito.

In a philosophical sense, mortal is often contrasted with inmortal (immortal) or divino (divine). In classical literature, the 'mortales' are the humans who populate the earth, subject to the whims of the gods. This distinction is crucial in understanding the word's weight in Spanish literature. When a character is described as having a 'mortal' flaw, it suggests a vulnerability that will lead to their downfall. The word also appears frequently in religious texts, emphasizing the temporal nature of earthly life compared to the eternal nature of the soul.

El veneno de esa serpiente es mortal si no se trata a tiempo.

Furthermore, the word is used in sports and physical activities. A 'salto mortal' is a somersault or a flip, implying a high degree of risk or difficulty (literally a 'deadly jump'). In this context, it has lost its literal connection to death and instead signifies a high-stakes or impressive maneuver. You might hear a sports commentator exclaim about a 'remate mortal' (a deadly shot) in soccer, highlighting its precision and effectiveness.

El gimnasta realizó un doble salto mortal hacia atrás.

In everyday conversation, you will encounter the word in expressions of hyperbole. If a task is extremely difficult, a Spanish speaker might say it is 'mortal'. If someone is waiting in a long line under the sun, they might complain that the heat is 'mortal'. This usage aligns with the English 'killing me', as in 'this heat is killing me'. It adds a layer of dramatic flair to the speaker's discomfort. Understanding this colloquial shift is essential for reaching a B2 or C1 level of fluency, where the literal meaning is just the starting point.

Tuvimos que esperar tres horas bajo el sol; fue algo mortal.

Para nosotros, simples mortales, entender la física cuántica es un reto.

In conclusion, mortal is a word that spans the spectrum from the biological to the metaphorical. Whether you are discussing the theology of the soul, the lethality of a weapon, or the sheer boredom of a corporate meeting, mortal provides the necessary intensity. Its cognate status with English makes it easy to learn, but its cultural nuances in Spanish—especially its use in hyperbole and sports—require careful attention to context.

Using mortal correctly in Spanish requires an understanding of its placement as an adjective and its agreement in gender and number. Since mortal ends in a consonant, it is gender-neutral; it stays the same whether it describes a masculine or feminine noun. However, it must agree in number, becoming mortales for plural nouns. This section will guide you through its various syntactic roles, from direct descriptions to its use in fixed phrases.

Attributive Usage
When placed after a noun to define a quality. Example: 'Un pecado mortal' (A mortal sin). This is the most common position in Spanish.
Predicative Usage
Used with linking verbs like 'ser' or 'parecer'. Example: 'El golpe fue mortal.' (The blow was fatal.)
Substantivized Usage
When used with an article as a noun. Example: 'Los mortales debemos aceptar nuestro destino.' (We mortals must accept our destiny.)

El guerrero sufrió una herida mortal en el pecho.

When describing something as 'deadly', the word mortal typically follows the noun. For instance, 'un veneno mortal' (a deadly poison) or 'un accidente mortal' (a fatal accident). In these cases, the adjective provides essential information about the outcome of the noun. If you were to place it before the noun, such as 'un mortal veneno', it would sound highly poetic or archaic, common in 17th-century Spanish literature but rare in modern speech.

La policía investiga el accidente mortal ocurrido anoche.

In the context of 'mortal enemies', the phrase is 'enemigos mortales'. This conveys a hatred so deep that it can only end with the death of one or both parties. Similarly, in religious contexts, 'un pecado mortal' is a grave sin that, according to Catholic theology, leads to the death of the soul's grace. These phrases are fixed collocations that you should memorize as single units of meaning.

Batman y el Joker son enemigos mortales.

When using mortal to mean 'extremely boring' or 'intense', it is almost always used with the verb 'ser'. For example, 'El examen fue mortal' (The exam was killer/deadly). This is very common in student slang. It can also describe a person who is being particularly annoying: 'Estás mortal hoy' (You are being deadly/insufferable today). Note that this latter use is more regional and varies in intensity across the Spanish-speaking world.

Esa clase de tres horas es mortal los lunes por la mañana.

Los restos mortales del poeta descansan en su ciudad natal.

Finally, the phrase 'restos mortales' is the standard formal way to refer to 'mortal remains' or a deceased body. This is frequently seen in news reports or historical biographies. It carries a tone of respect and solemnity. As you can see, the way you use mortal depends heavily on the noun it modifies and the verb that connects them. Mastery involves recognizing whether the speaker is being literal, poetic, or hyperbolic.

You will encounter the word mortal in a diverse array of settings, ranging from the somber tones of a news broadcast to the energetic shouting of a gymnasium. Understanding these contexts will help you decode the speaker's intent and level of formality. It is a word that sits comfortably in both high-level literature and low-level street slang, making it a fascinating study in linguistic flexibility.

The News and Media
Frequently used in reports about accidents, crimes, or health crises. Phrases like 'víctima mortal' (fatal victim) or 'desenlace mortal' (fatal outcome) are standard journalist jargon.
The Gym and Sports
Common in gymnastics, parkour, and acrobatics. A 'salto mortal' is a backflip or frontflip. You will also hear it in soccer commentary to describe a particularly effective strike.
Casual Conversations
Used as hyperbole for anything extreme. 'Hace un frío mortal' (It's deathly cold) or 'Esa tarta está mortal' (That cake is 'to die for' or amazing).

El telediario informó sobre las víctimas mortales del incendio.

In the world of cinema and literature, mortal is a staple of the fantasy and superhero genres. Characters often discuss 'el mundo mortal' (the mortal world) as opposed to magical or divine realms. In these stories, being 'mortal' is often seen as a weakness by the villains but as a source of strength or humanity by the heroes. If you watch Spanish-dubbed versions of 'The Avengers' or 'Lord of the Rings', you will hear this word constantly.

Los dioses envidiaban la pasión de los mortales.

In Spain, specifically, 'mortal' has a very common slang usage meaning 'awesome' or 'incredible'. If a friend tells you about a party and says 'fue mortal', they mean it was fantastic. However, if they say 'el trabajo es mortal', they mean it is soul-crushingly boring or difficult. The meaning shifts based on the noun it describes and the tone of voice. This can be confusing for learners, but it's a hallmark of natural, native-level Spanish.

¡Tío, el concierto de anoche estuvo mortal!

Religious services and theological discussions are another common venue. You will hear about 'pecado mortal' in sermons, emphasizing the gravity of certain actions. This usage is deeply embedded in the cultural fabric of many Spanish-speaking countries with strong Catholic traditions. Even non-religious people use these terms as metaphors for serious mistakes.

Olvidar el aniversario de bodas es un pecado mortal.

El boxeador lanzó un gancho mortal que terminó la pelea.

Finally, in history books and documentaries, you will hear about 'enemigos mortales' (mortal enemies) when describing long-standing conflicts between nations or leaders. This adds a sense of epic scale to the historical narrative. Whether in the past or the present, mortal is a word that demands attention because it usually signals that something significant is happening.

While mortal is a cognate and seemingly straightforward, English speakers often stumble when choosing between it and other related Spanish words. The most frequent errors involve confusing mortal with the noun muerte (death) or the adjective/participle muerto (dead). Understanding the grammatical function of each is key to avoiding these pitfalls.

Confusing Mortal with Muerto
'Mortal' means 'subject to death' or 'causing death'. 'Muerto' means 'already dead'. You cannot say 'El hombre está mortal' to mean 'The man is dead'. You must say 'El hombre está muerto'.
Overusing Mortal for 'Deadly'
While 'mortal' works, 'letal' (lethal) is often more appropriate for chemicals, weapons, or scientific contexts. 'Dosis letal' is more common than 'dosis mortal'.
Gender Agreement Confusion
Some learners try to say 'mortala' for feminine nouns. This is incorrect. The word 'mortal' is invariable for gender.

Incorrect: Ella es una mortala. Correct: Ella es una mortal.

Another common mistake is using mortal when you actually need the noun mortandad (mortality rate/carnage). For example, to say 'the mortality was high', you should use 'la mortandad fue alta' or 'la tasa de mortalidad fue alta', not 'la mortal fue alta'. Mortal is almost always an adjective or a person-noun, not an abstract noun for the concept of death rates.

La tasa de mortalidad infantil ha bajado este año.

In the colloquial sense, learners sometimes misuse 'mortal' by not matching the tone. If you are in a formal business meeting and say 'este informe es mortal', people might think you are saying the report is literally going to cause deaths, rather than just being very boring. Context and tone are vital for the hyperbolic use of the word.

El aburrimiento mortal de la reunión nos dejó agotados.

Lastly, be careful with the plural. Since it ends in 'l', you add '-es' to make it plural. Some learners forget this and say 'los mortals', which is incorrect. Always remember: 'uno mortal, dos mortales'. This applies whether you are using it as an adjective or a noun referring to people.

Todos somos mortales ante los ojos del tiempo.

Cometer ese error fue un fallo mortal para su carrera.

By keeping these distinctions in mind—especially the difference between 'mortal' (subject to death) and 'muerto' (dead)—you will avoid the most jarring errors and sound much more like a native speaker.

To truly master mortal, you must also understand its synonyms and how they differ in nuance. Spanish has a rich vocabulary for describing death and lethality, and choosing the right word can change the tone of your sentence from scientific to poetic to casual. Here we compare mortal with its closest relatives.

Mortal vs. Letal
'Mortal' is broader and can be used for humans (we are mortal) or for things that cause death. 'Letal' is specifically for things that cause death, often in a technical or biological sense (e.g., 'gas letal'). You would never call a human 'letal' unless they are a professional killer.
Mortal vs. Fatal
'Fatal' often implies something that is disastrous or unavoidable (fated). In Spanish, 'un accidente fatal' and 'un accidente mortal' are often interchangeable, but 'fatal' can also mean 'very bad' (e.g., 'me siento fatal' - I feel terrible).
Mortal vs. Perecedero
'Perecedero' (perishable) is used for things that decay or go bad, like food. While humans are mortal, we are not usually described as 'perecederos' unless in a very specific philosophical/metaphorical context.

El veneno de la cobra es letal para sus presas.

Other alternatives include humano (human) when 'mortal' is used to contrast with the divine. For example, 'la condición humana' is often a synonym for 'nuestra naturaleza mortal'. In more clinical settings, you might use mortífero, which means 'death-bringing'. This is often used for diseases or weapons: 'un virus mortífero'.

La peste negra fue una enfermedad mortífera en la Edad Media.

In the colloquial sense of 'amazing' or 'terrible', synonyms include brutal, bestial, or increíble. If you want to say something was 'killer' in Spain, 'fue la caña' or 'estuvo de muerte' (literally 'it was of death') are popular alternatives that carry the same hyperbolic weight as 'mortal'.

¡Ese solo de guitarra fue brutal!

Understanding these distinctions allows you to be more precise. If you describe a 'pecado' as 'letal', it sounds weird; it must be 'mortal'. If you describe a 'gas' as 'mortal', it's okay, but 'letal' sounds more professional. These small choices are what separate an intermediate learner from an advanced speaker.

La herida no era mortal, pero sí muy dolorosa.

El tiempo es un enemigo mortal de la belleza física.

Finally, consider the antonyms. The most direct is inmortal. However, depending on the context, vital (full of life) or inofensivo (harmless) could also serve as opposites. If a snake is not 'mortal', it is 'inofensiva'. If a character is not 'mortal', they are 'inmortal' or 'eterno'.

How Formal Is It?

Formal

"Los restos mortales del ilustre escritor fueron sepultados hoy."

Neutral

"Todos los seres vivos son mortales."

Informal

"Este examen ha sido mortal, no sabía nada."

Child friendly

"En el cuento, el dragón era muy peligroso y mortal."

Slang

"¡Esa fiesta estuvo mortal, tío!"

Fun Fact

The root 'mor-' is found in many languages, including the Sanskrit 'mrtis', showing its ancient origin.

Pronunciation Guide

UK /mɔː.təl/
US /mɔːr.təl/
Second syllable (mor-TAL) is NOT correct. The stress is on the first syllable: MOR-tal.
Rhymes With
portal total vital frutal metal natal fatal caudal
Common Errors
  • Stressing the last syllable.
  • Pronouncing the 'l' as a 'dark l' (like in 'ball'). In Spanish, 'l' is always light.
  • Using an English 'r' instead of a tapped Spanish 'r'.
  • Making the 'o' sound like 'uh'. It should be a pure 'o'.
  • Adding an 'e' sound before the 'm'.

Difficulty Rating

Reading 1/5

Very easy due to being a cognate.

Writing 2/5

Easy, but remember the plural 'mortales'.

Speaking 2/5

Easy, but watch the stress on the first syllable.

Listening 1/5

Easy to recognize in speech.

What to Learn Next

Prerequisites

muerte morir humano peligro vida

Learn Next

letal mortífero inmortal fatal perecedero

Advanced

mortandad mortuorio finitud estocada caducidad

Grammar to Know

Adjective Agreement

Los hombres mortales / Las mujeres mortales.

Pluralization of words ending in L

Mortal -> Mortales.

Substantivized Adjectives

Los mortales (The mortals).

Adjective Placement (after noun)

Un veneno mortal (A deadly poison).

Gender Invariability

Él es mortal / Ella es mortal.

Examples by Level

1

El gato no es mortal en este juego.

The cat is not mortal in this game.

Mortal is used here as an adjective.

2

Yo soy un hombre mortal.

I am a mortal man.

Mortal follows the noun 'hombre'.

3

Las flores son mortales.

The flowers are mortal (they die).

Plural agreement: mortales.

4

No somos dioses, somos mortales.

We are not gods, we are mortals.

Used here as a plural noun.

5

Es un riesgo mortal.

It is a mortal risk.

Mortal describes the level of risk.

6

Ella es una persona mortal.

She is a mortal person.

Mortal does not change for feminine 'persona'.

7

El perro es mortal.

The dog is mortal.

Simple predicate adjective.

8

Todos los animales son mortales.

All animals are mortal.

Universal statement using plural.

1

Fue un golpe mortal para el equipo.

It was a mortal blow for the team.

Metaphorical use for 'fatal'.

2

El veneno es mortal.

The poison is mortal/deadly.

Describing lethality.

3

Tienen una enemistad mortal.

They have a mortal enmity.

Fixed phrase for deep hatred.

4

El accidente fue mortal.

The accident was fatal.

Standard news terminology.

5

Es un arma mortal.

It is a deadly weapon.

Describing an object's capability.

6

Los mortales viven poco tiempo.

Mortals live a short time.

Noun use with 'los'.

7

Recibió una herida mortal.

He received a mortal wound.

Common in action stories.

8

No hay cura para este virus mortal.

There is no cure for this deadly virus.

Adjective modifying 'virus'.

1

El gimnasta hizo un salto mortal.

The gymnast did a somersault.

Specific term for a flip.

2

Mentir así es un pecado mortal.

Lying like that is a mortal sin.

Religious/moral context.

3

Sus restos mortales están en el cementerio.

His mortal remains are in the cemetery.

Formal euphemism for a body.

4

Siento un aburrimiento mortal.

I feel a deadly boredom.

Hyperbolic usage.

5

Es una trampa mortal.

It is a death trap.

Describing a dangerous situation.

6

La película tuvo un ritmo mortal.

The movie had a killer pace.

Colloquial positive intensity.

7

El silencio en la sala era mortal.

The silence in the room was deadly.

Describing atmosphere.

8

Es un enemigo mortal del progreso.

He is a mortal enemy of progress.

Abstract metaphorical use.

1

Este calor es mortal, no puedo más.

This heat is killing me, I can't take it anymore.

Colloquial hyperbole.

2

La crítica fue un golpe mortal para su carrera.

The review was a mortal blow to his career.

Figurative 'fatal'.

3

¡Esa tarta de chocolate está mortal!

That chocolate cake is to die for!

Positive slang (Spain).

4

Fue una espera mortal de cinco horas.

It was a deadly five-hour wait.

Emphasis on negative experience.

5

El delantero tiene un disparo mortal.

The striker has a deadly shot.

Sports terminology.

6

La ironía del destino es a veces mortal.

The irony of fate is sometimes deadly.

Philosophical observation.

7

No seas tan pesado, que eres mortal.

Don't be so annoying, you're insufferable.

Colloquial use for annoying behavior.

8

Se enfrentan a un peligro mortal.

They face a mortal danger.

High-stakes description.

1

La obra reflexiona sobre la condición mortal del hombre.

The work reflects on the mortal condition of man.

Academic/Literary context.

2

El veneno de la indiferencia es el más mortal.

The poison of indifference is the deadliest.

Poetic metaphor.

3

Sus palabras fueron un dardo mortal para mi ego.

His words were a deadly dart to my ego.

Highly figurative.

4

La ciudad sufría una parálisis mortal.

The city suffered a deadly paralysis.

Metaphor for economic or social stagnation.

5

Es un error mortal subestimar al adversario.

It is a fatal error to underestimate the adversary.

Strategic advice.

6

La belleza es, por definición, algo mortal.

Beauty is, by definition, something mortal.

Philosophical statement.

7

El informe detalla la tasa de víctimas mortales.

The report details the fatality rate.

Technical/Formal terminology.

8

Aquel verano fue de un aburrimiento mortal.

That summer was of a deadly boredom.

Narrative hyperbole.

1

La finitud es el sello de nuestra esencia mortal.

Finitude is the seal of our mortal essence.

Highly abstract/philosophical.

2

Se debatía en una agonía mortal antes del final.

He struggled in a mortal agony before the end.

Archaic/Literary tone.

3

El veredicto supuso la estocada mortal al proyecto.

The verdict was the final blow (death stroke) to the project.

Bullfighting metaphor (estocada).

4

Nada escapa a la guadaña mortal del tiempo.

Nothing escapes the deadly scythe of time.

Personification and metaphor.

5

La ponzoña mortal se extendió por sus venas.

The deadly venom spread through his veins.

Poetic use of 'ponzoña'.

6

Es una verdad mortal que pocos se atreven a mirar.

It is a deadly truth that few dare to look at.

Abstract concept.

7

Su silencio era una sentencia mortal para la relación.

His silence was a death sentence for the relationship.

Metaphorical use in interpersonal context.

8

La fragilidad de la paz es siempre mortal.

The fragility of peace is always mortal/vulnerable.

Philosophical/Political nuance.

Common Collocations

accidente mortal
pecado mortal
salto mortal
enemigo mortal
herida mortal
restos mortales
aburrimiento mortal
víctima mortal
golpe mortal
veneno mortal

Common Phrases

un simple mortal

— Just an ordinary person without special powers.

Soy un simple mortal, no puedo hacer milagros.

de necesidad mortal

— Extremely necessary or urgent (archaic but used).

Es de necesidad mortal que lleguemos a tiempo.

odio mortal

— A deep, undying hatred.

Se tienen un odio mortal.

silencio mortal

— A complete and eerie silence.

Un silencio mortal inundó la sala.

combate mortal

— A fight to the death.

Se enfrentaron en un combate mortal.

amenaza mortal

— A threat that could lead to death.

Representa una amenaza mortal para la paz.

trance mortal

— The moment of dying or a very dangerous situation.

Estuvo en un trance mortal.

frío mortal

— Extremely cold weather.

Hace un frío mortal fuera.

miedo mortal

— Paralyzing fear.

Tengo un miedo mortal a las alturas.

cansancio mortal

— Extreme exhaustion.

Siento un cansancio mortal después del trabajo.

Often Confused With

mortal vs muerto

Muerto is 'dead' (state); mortal is 'subject to death' or 'deadly'.

mortal vs muerte

Muerte is the noun 'death'; mortal is an adjective.

mortal vs letal

Letal is specifically for things that cause death, usually scientific.

Idioms & Expressions

"hacer el salto mortal"

— To take a huge risk or do something very difficult.

Hizo el salto mortal y abrió su propia empresa.

informal
"ser mortal"

— To be incredibly funny, boring, or impressive.

Ese chiste es mortal.

informal (Spain)
"caerse de sueño mortal"

— To be extremely sleepy.

Me caigo de un sueño mortal.

informal
"enemigos a muerte"

— Similar to mortal enemies; people who hate each other completely.

Son enemigos a muerte.

neutral
"estar mortal"

— To look amazing or to be in a very bad state (context dependent).

¡Estás mortal con ese vestido!

slang
"un aburrimiento de muerte"

— Deadly boredom.

La charla fue un aburrimiento de muerte.

informal
"dar la estocada mortal"

— To give the final blow to something.

Ese gol dio la estocada mortal al equipo rival.

idiomatic
"pecado mortal"

— Used figuratively for any major social error.

No invitarlo sería un pecado mortal.

informal
"quedarse mortal"

— To be shocked or stunned.

Me quedé mortal al oír la noticia.

slang
"ser un mortal más"

— To be just like everyone else.

A pesar de su fama, es un mortal más.

neutral

Easily Confused

mortal vs letal

Both mean deadly.

Letal is more clinical/technical; mortal is more general/narrative.

Dosis letal vs. Enemigo mortal.

mortal vs mortífero

Both mean deadly.

Mortífero implies 'bringing death' and is used for diseases or weapons.

Un gas mortífero.

mortal vs fatal

Both mean deadly.

Fatal often means 'unavoidable' or 'terrible' (feeling bad).

Un accidente fatal vs. Me siento fatal.

mortal vs perecedero

Both mean not permanent.

Perecedero is for food/goods; mortal is for life.

Comida perecedera.

mortal vs moroso

Sounds similar.

Moroso means late with payments; mortal means related to death.

Un cliente moroso.

Sentence Patterns

A1

Sujeto + ser + mortal

El gato es mortal.

A2

Sujeto + tener + herida mortal

El soldado tiene una herida mortal.

B1

Es un/una + sustantivo + mortal

Es un pecado mortal.

B2

Sustantivo + ser + mortal (slang)

Esta tarta es mortal.

C1

La + sustantivo + mortal + de + sustantivo

La condición mortal del ser humano.

C2

Sujeto + suponer + la estocada mortal

La crisis supuso la estocada mortal.

B1

Hacer un salto mortal

El atleta hizo un salto mortal.

A2

Los mortales + verbo

Los mortales mueren algún día.

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

High in news and literature; moderate in daily speech.

Common Mistakes
  • La mujer es mortala. La mujer es mortal.

    Mortal is gender-neutral and does not change for feminine nouns.

  • El hombre está mortal. El hombre está muerto.

    Use 'muerto' for the state of being dead. 'Mortal' is for the nature of being able to die.

  • Los mortals son humanos. Los mortales son humanos.

    The plural of words ending in L in Spanish is formed by adding -es.

  • Es una dosis mortal. Es una dosis letal.

    While 'mortal' is understood, 'letal' is the standard term for medical or chemical doses.

  • Tengo un aburrimiento muerte. Tengo un aburrimiento mortal.

    Use the adjective 'mortal' to describe the noun 'aburrimiento', not the noun 'muerte'.

Tips

Plural Rule

Always add -es for the plural. Many learners forget this and say 'mortals', which is English. It must be 'mortales'.

Cool Slang

In Spain, if you love a dish, say '¡Está mortal!'. It shows high enthusiasm and native-like fluency.

Mortal vs. Letal

Think of 'mortal' as narrative and 'letal' as scientific. 'A mortal blow' but 'a lethal injection'.

Philosophical Weight

In Spanish literature, 'mortal' is a very deep word. Use it when you want to sound poetic or serious.

Light L

Keep the 'l' at the end of 'mortal' light. Don't let your tongue roll back too far like in English.

News Reports

If writing a crime or accident report, use 'víctima mortal' to sound professional.

The 'Mort' Root

Associate 'mortal' with 'mortician' or 'mortuary' to remember its connection to death.

Humility

Use 'somos simples mortales' to make a joke about not being perfect or all-knowing.

Deadly Precision

Describe a great soccer goal as a 'remate mortal' to impress Spanish sports fans.

Don't say 'Mortala'

It's a common beginner mistake to try to make it feminine. It's always 'mortal'.

Memorize It

Mnemonic

Think of 'Mort' (from Latin for death) and 'Al' (all). 'Mort-all': All of us are mortal.

Visual Association

Imagine an hourglass with sand running out, representing the mortal nature of time.

Word Web

muerte vida humano peligro fatal letal inmortal tiempo

Challenge

Write three sentences using 'mortal': one about a human, one about a poison, and one about a boring class.

Word Origin

From the Latin word 'mortalis', which comes from 'mors' (death).

Original meaning: Subject to death; destined to die.

Indo-European > Italic > Romance > Spanish.

Cultural Context

Be careful when using 'mortal' in medical settings; 'fallecido' or 'muerto' are more direct for people who have already died.

In English, 'mortal' is often used in fantasy or high-stakes contexts. In Spanish, it's more common in daily hyperbole.

Mortal Kombat (Video Game series) Coplas a la muerte de su padre (Jorge Manrique) El inmortal (Jorge Luis Borges)

Practice in Real Life

Real-World Contexts

Accidents

  • víctima mortal
  • accidente mortal
  • herida mortal
  • desenlace mortal

Philosophy

  • condición mortal
  • simples mortales
  • naturaleza mortal
  • ser mortal

Slang

  • aburrimiento mortal
  • calor mortal
  • frío mortal
  • está mortal

Religion

  • pecado mortal
  • alma mortal
  • cuerpo mortal
  • pecador mortal

Sports

  • salto mortal
  • remate mortal
  • golpe mortal
  • ataque mortal

Conversation Starters

"¿Crees que los humanos seremos inmortales algún día o siempre seremos mortales?"

"¿Cuál ha sido el aburrimiento más mortal que has sentido en una clase?"

"¿Sabes hacer un salto mortal o te da miedo?"

"¿Quién es el enemigo mortal más famoso del cine?"

"¿Qué comida te parece que está 'mortal' en este restaurante?"

Journal Prompts

Describe una situación en la que sentiste un aburrimiento mortal y cómo escapaste de ella.

Reflexiona sobre lo que significa ser un 'simple mortal' en un mundo tan grande.

Escribe sobre un personaje de ficción que sea el enemigo mortal de otro y por qué se odian.

Si pudieras elegir no ser mortal, ¿lo harías? ¿Por qué sí o por qué no?

Describe un 'salto mortal' (metafórico) que hayas dado en tu vida personal o profesional.

Frequently Asked Questions

10 questions

No, you must use 'muerto'. 'Mortal' describes the ability to die or the cause of death, not the state of being dead.

Usually, yes, as it relates to death. However, in Spain, it's used as positive slang for 'awesome' or 'amazing'.

No, it is gender-neutral. 'Un hombre mortal' and 'una mujer mortal' are both correct.

It is a somersault or a flip in gymnastics. It literally means 'deadly jump' because of the risk involved.

Use 'letal' for chemicals, doses, or technical descriptions of how something causes death.

It means 'mere mortals' or ordinary people, often used to show humility or contrast with someone famous/talented.

Yes, it's a standard term in Catholicism for a serious sin, and also used figuratively for big mistakes.

You say 'tasa de mortalidad' or 'índice de mortandad'.

Yes, 'un aburrimiento mortal' is a very common way to say something is extremely boring.

Yes, it is the adverb meaning 'mortally', as in 'herido mortalmente' (mortally wounded).

Test Yourself 182 questions

writing

Write a sentence in Spanish using 'mortal' to describe a dangerous animal.

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writing

Translate: 'We are simple mortals.'

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writing

Write a sentence using 'aburrimiento mortal'.

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writing

Translate: 'The wound was fatal.' (Use mortal)

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writing

Write a sentence about a 'pecado mortal'.

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writing

Translate: 'Mortal enemies'.

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writing

Write a sentence using 'mortal' as a compliment for food.

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writing

Translate: 'The fatal accident happened at night.'

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writing

Write a sentence about humans being mortal.

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writing

Translate: 'Mortal remains'.

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writing

Write a sentence using 'salto mortal'.

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writing

Translate: 'The poison is deadly.'

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writing

Write a sentence about a 'silencio mortal'.

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writing

Translate: 'I am a mortal man.'

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writing

Write a sentence using 'mortal' to describe the weather.

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writing

Translate: 'A mortal risk'.

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writing

Write a sentence about a 'víctima mortal'.

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writing

Translate: 'Immortals and mortals'.

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writing

Write a sentence using 'golpe mortal' metaphorically.

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writing

Translate: 'The mortal condition'.

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speaking

Pronounce 'mortal' emphasizing the first syllable.

Read this aloud:

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speaking

Say 'We are mortals' in Spanish.

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speaking

Say 'It is a mortal sin' in Spanish.

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speaking

Say 'Mortal enemies' in Spanish.

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speaking

Say 'A fatal accident' in Spanish.

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speaking

Say 'Deadly boredom' in Spanish.

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speaking

Say 'The cake is awesome!' using 'mortal'.

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speaking

Say 'A mortal blow' in Spanish.

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speaking

Say 'Mortal remains' in Spanish.

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speaking

Say 'I am a simple mortal' in Spanish.

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speaking

Say 'A mortal wound' in Spanish.

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speaking

Say 'It is a mortal threat' in Spanish.

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speaking

Say 'The somersault' in Spanish using 'mortal'.

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speaking

Say 'Deadly silence' in Spanish.

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speaking

Say 'Mortals die' in Spanish.

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speaking

Say 'Lethal poison' using 'mortal'.

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speaking

Say 'The cold is killing me' using 'mortal'.

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speaking

Say 'Fatal outcome' in Spanish.

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speaking

Say 'Mortal risk' in Spanish.

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speaking

Say 'Mortal condition' in Spanish.

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listening

Listen and identify: 'El accidente fue mortal.'

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listening

Listen and identify: 'Somos mortales.'

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listening

Listen and identify: 'Un aburrimiento mortal.'

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listening

Listen and identify: 'Pecado mortal.'

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listening

Listen and identify: 'Salto mortal.'

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listening

Listen and identify: 'Restos mortales.'

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listening

Listen and identify: 'Enemigo mortal.'

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listening

Listen and identify: 'Herida mortal.'

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listening

Listen and identify: 'Víctima mortal.'

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listening

Listen and identify: '¡Está mortal!'

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listening

Listen and identify: 'Riesgo mortal.'

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listening

Listen and identify: 'Silencio mortal.'

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listening

Listen and identify: 'Golpe mortal.'

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listening

Listen and identify: 'Simples mortales.'

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listening

Listen and identify: 'Veneno mortal.'

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/ 182 correct

Perfect score!

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