At the A1 level, the word 'alto' is primarily taught as a basic descriptive adjective for people and physical objects. Students learn that 'alto' means 'tall' and 'bajo' means 'short'. The focus is on gender and number agreement: 'un hombre alto', 'una mujer alta', 'unos niños altos', 'unas niñas altas'. At this stage, learners use 'alto' with the verb 'ser' to describe permanent characteristics of people. They also learn to use it for simple objects like buildings or trees. The concept of 'alto' meaning 'loud' is usually introduced slightly later, but A1 students might encounter it in the phrase 'en voz alta' (out loud) when instructed by a teacher. The goal for an A1 learner is to correctly identify and use the four forms of the adjective in simple subject-verb-adjective sentences. They should be able to describe themselves, their friends, and their immediate environment using this word. Vocabulary exercises often pair 'alto' with other physical descriptors like 'delgado' (thin) or 'rubio' (blonde). It is one of the first fifty adjectives a student typically learns because of its high frequency and utility in basic introductions and descriptions.
At the A2 level, the use of 'alto' expands to include more varied contexts and basic comparative structures. Students learn to say 'más alto que' (taller than) and 'el más alto' (the tallest). They also begin to use 'alto' to describe non-human entities in more detail, such as 'montañas altas' (high mountains) or 'edificios altos' (tall buildings). This level introduces the use of 'alto' for volume more formally; students learn to ask someone to speak 'más alto' (louder) or complain that the music is 'muy alta'. The distinction between 'alto' (tall/high) and 'grande' (big) becomes a point of focus to avoid common errors. A2 learners are expected to use 'alto' in short paragraphs describing their city or their family members, ensuring correct agreement even when the noun and adjective are separated by other words. They might also encounter 'alto' in the context of weather, such as 'temperaturas altas' (high temperatures). The focus is on moving beyond simple labels to using the word within more complex sentence structures and everyday functional situations like shopping or traveling.
At the B1 level, learners encounter 'alto' in more abstract and idiomatic contexts. They start to see the word used in professional and social hierarchies, such as 'alta sociedad' (high society) or 'alto cargo' (high-ranking position). The use of 'alto' as a prefix or in compound terms like 'altibajos' (ups and downs) might be introduced. B1 students are expected to understand the nuance of placing 'alto' before the noun for stylistic emphasis, such as 'las altas cumbres' (the high peaks), and how this differs from the standard 'las cumbres altas'. They also learn more specific collocations like 'alta mar' (high seas) and 'alta tensión' (high voltage). At this stage, the learner should be comfortable using 'alto' to describe intensity and quality, not just physical height. For instance, they might discuss 'un alto nivel de vida' (a high standard of living). Their ability to use the word should be fluid across various domains, including economics, social issues, and personal emotions. They also begin to distinguish between 'alto' and its more formal synonyms like 'elevado', choosing the appropriate register for the situation.
At the B2 level, the student masters the subtle nuances and advanced idiomatic uses of 'alto'. They are familiar with expressions like 'pasar por alto' (to overlook/ignore) and 'por todo lo alto' (in style/grandly). The word is used frequently in academic and journalistic texts to describe complex data, such as 'una alta tasa de natalidad' (a high birth rate) or 'altas esferas del gobierno' (high circles of government). B2 learners can use 'alto' to express degrees of certainty or quality with precision. They understand the historical and cultural connotations of phrases like 'Alta Edad Media' (Early Middle Ages). In writing, they can use 'alto' to vary their register, moving between common usage and more sophisticated structures. They are also aware of the adverbial form 'altamente' and how it modifies other adjectives (e.g., 'altamente cualificado'). The focus at this level is on native-like precision, ensuring that 'alto' is used in the correct collocation and with the appropriate emotional or professional weight. They can also handle the word when it appears in technical fields like music (alto voice) or science (high pressure).
At the C1 level, 'alto' is used with full stylistic control. The learner understands the poetic and literary potential of the word, using it to create imagery or emphasize a point in complex essays. They are well-versed in legal and formal terms such as 'alta traición' (high treason) or 'alta dirección' (senior management). C1 students can dissect the difference between 'alto' and its synonyms like 'excelso', 'eminente', or 'prominente' in a given context. They use the word in sophisticated debates to discuss 'altos ideales' (high ideals) or 'altas expectativas' (high expectations). Their understanding of the word includes its role in regional variations of Spanish and its use in historical texts. They can use 'alto' in complex grammatical constructions, such as 'lo más alto de' to describe the pinnacle of an abstract concept. The learner's use of 'alto' is indistinguishable from that of a highly educated native speaker, incorporating it into a wide range of idiomatic, technical, and formal expressions without hesitation. They also recognize the word's use in specialized jargon, such as 'alta fidelidad' in acoustics or 'alta resolución' in technology.
At the C2 level, the learner has a comprehensive, near-native command of 'alto' in all its forms and functions. They can appreciate and use the word in its most archaic or obscure contexts found in classical literature. They understand the etymological roots of the word and how they influence its modern usage. C2 speakers can use 'alto' to convey subtle irony or double meanings in sophisticated wordplay. They are comfortable with the most technical applications of the word in fields like philosophy, where 'lo alto' might represent a metaphysical concept. Their mastery extends to the most niche idioms and regionalisms across the Spanish-speaking world. In professional settings, they use 'alto' with absolute precision in legal, medical, or scientific documentation. They can also provide nuanced explanations of the word's usage to others, reflecting a deep linguistic awareness. At this level, 'alto' is not just a word but a versatile tool that the speaker can manipulate to suit any possible communicative need, from the most mundane to the most sublime.

alto/a in 30 Seconds

  • Alto means 'tall' for people and 'high' for objects or altitude.
  • It also means 'loud' when referring to volume or voice.
  • It must match the noun's gender and number: alto, alta, altos, altas.
  • It is commonly used with 'ser' for height and 'estar' for volume.

The Spanish word alto (and its feminine form alta) is a fundamental adjective that every Spanish learner must master early on. At its most basic level, it translates to 'tall' or 'high' in English. However, its utility extends far beyond simple physical measurements. In Spanish, alto is a polysemous word, meaning it carries multiple related meanings depending on the context in which it is used. Whether you are describing a person's physical stature, the altitude of a mountain, the volume of a television, or even the social status of a particular group, alto is the go-to term.

Physical Stature
When referring to people, animals, or objects that extend vertically from the ground, alto describes their height. For example, a basketball player is alto, and a skyscraper is un edificio muy alto. It is important to remember that for people, we almost always use the verb ser because height is considered a defining characteristic.

Ese jugador de baloncesto es increíblemente alto.

Acoustic Volume
Unlike English, which uses 'loud' to describe high volume, Spanish frequently uses alto. If someone is speaking too loudly, you might say they are speaking en voz alta. If the music is deafening, the volume is alto. This can be confusing for English speakers who expect a word like 'ruidoso' (noisy), but alto specifically refers to the level or intensity of the sound.

No te oigo bien, ¿puedes hablar más alto?

Geographical and Abstract Height
In geography, alto refers to elevation above sea level. Alta mar refers to the high seas, far from the coast. In abstract terms, it describes high quality, high prices, or high positions in a hierarchy. Alta sociedad refers to high society, and alta fidelidad refers to high fidelity (Hi-Fi) audio. In these cases, the word signifies a superior level or a position at the top of a scale.

Estamos en una zona de alta montaña.

Los precios son demasiado altos en esta tienda.

Ella tiene una alta opinión de su trabajo.

In summary, alto is an incredibly versatile adjective. Whether you are looking up at a skyscraper, adjusting the volume on your phone, or discussing the cost of living, this word is essential. It bridges the gap between physical reality and abstract measurement, making it a cornerstone of Spanish vocabulary. As you progress, you will find it in many idiomatic expressions, but its core identity remains rooted in the concept of 'upwardness' or 'intensity'.

Using alto correctly in a sentence requires an understanding of Spanish adjective agreement and placement. Because alto is an adjective, it must match the noun it modifies in both gender (masculine or feminine) and number (singular or plural). This is a fundamental rule that English speakers often struggle with, as English adjectives are invariable. In Spanish, you have four possible forms: alto (masculine singular), alta (feminine singular), altos (masculine plural), and altas (feminine plural).

Gender and Number Agreement
If you are describing a man, you say él es alto. If you are describing a woman, you say ella es alta. For a group of men (or a mixed group), use ellos son altos. For a group of women, use ellas son altas. This applies to objects as well: el edificio alto vs. la torre alta.

Las montañas de los Andes son muy altas.

Adjective Placement
In most cases, alto follows the noun it describes: un hombre alto. However, when used for emphasis or in poetic/literary contexts, it can precede the noun: las altas cumbres (the high peaks). Placing it before the noun often gives it a more figurative or inherent quality rather than a purely descriptive one. For example, alta traición (high treason) is a fixed phrase where the adjective always comes first.

El gato está en lo más alto del árbol.

Comparative and Superlative
To say someone is taller, use más alto que. To say someone is the tallest, use el más alto or la más alta. Spanish does not have a suffix like '-er' or '-est', so you must rely on these constructions. For example: Juan es más alto que Pedro (Juan is taller than Pedro).

María es la alumna más alta de la clase.

Este es un cargo de alta responsabilidad.

Habla en voz alta para que todos te escuchen.

Mastering the use of alto involves more than just knowing its definition; it requires a feel for how it interacts with the rest of the sentence. Pay attention to the gender of the noun you are describing and don't be afraid to use it for volume as well as height. With practice, the transition between 'tall' and 'loud' in your mind will become seamless, allowing you to express yourself more naturally in Spanish.

The word alto is ubiquitous in Spanish-speaking environments, appearing in daily conversations, media, and professional settings. One of the most common places you will encounter it is in the world of sports. Commentators frequently use alto to describe athletes, particularly in basketball or volleyball where height is a significant advantage. You might hear, 'Es un pívot muy alto' (He is a very tall center). Beyond sports, the word is essential in the realm of technology and media, specifically regarding sound levels.

Everyday Social Situations
In a social setting, you might hear someone say '¡Qué alto estás!' to a child who has grown since their last meeting. In a restaurant, if the music is too loud, you might ask the waiter, '¿Podría bajar un poco el volumen? Está muy alto'. In a classroom, a teacher might instruct a student to read 'en voz alta' (aloud) so the whole class can hear.

El volumen de la televisión está demasiado alto.

News and Business
In news broadcasts, alto is used to discuss statistics and economic indicators. You will hear about altas temperaturas (high temperatures) during a heatwave or altos precios (high prices) during inflation. In a business context, alto mando refers to high-level management or top brass. It conveys a sense of importance and authority.

Se esperan altas presiones en el norte del país.

Travel and Geography
When traveling through mountainous regions like the Pyrenees or the Andes, signs will warn of alta montaña. This indicates not just height, but a specific climate and set of conditions. Pilots and air traffic controllers use altitud (altitude), which is the noun form of alto, to discuss the height of an aircraft.

El avión vuela a una alta velocidad.

Ella canta en el registro más alto del coro.

El éxito requiere un alto nivel de compromiso.

Whether you are navigating a city, listening to the radio, or reading a newspaper, alto is a word that will constantly cross your path. Its frequency in the language reflects its importance in describing the world around us, from the physical to the metaphorical. By paying attention to these contexts, you will begin to see how alto serves as a versatile tool for communication in any Spanish-speaking country.

Even though alto seems straightforward, English speakers often fall into several common traps. The most frequent mistake is confusing alto with grande. In English, we often use 'big' or 'large' to describe things that are tall, but in Spanish, grande refers to overall size or area, while alto specifically refers to vertical height. For example, if you say un hombre grande, you are saying he is a 'big man' (perhaps wide or muscular), whereas un hombre alto specifically means he is 'tall'.

Alto vs. Grande
This distinction is crucial for buildings and objects too. A casa grande is a house with many rooms or a large footprint. A casa alta is a house with many floors or high ceilings. Using the wrong one can lead to confusion about the physical dimensions you are trying to describe.

No es un edificio grande, pero es muy alto.

Volume Confusion
Another common error is using fuerte when you mean alto for volume. While fuerte (strong/loud) is often used interchangeably in casual speech, alto is the standard way to describe volume level. Conversely, English speakers might try to use 'loud' (ruidoso) to describe a TV, but ruidoso means 'noisy' (making a lot of unpleasant noise), whereas alto just means the volume is turned up.

Mi primo es el más alto de la familia, no el más largo.

Gender Agreement Errors
Beginners often forget to change alto to alta when describing feminine nouns. Saying la montaña es alto is a classic mistake. Always look at the noun first: la montaña is feminine, so it must be la montaña es alta. Similarly, pluralize it when necessary: los árboles son altos.

Esa torre es tan alta que toca las nubes.

El precio de la gasolina está muy alto este mes.

Hablar en voz alta en la biblioteca está prohibido.

By keeping these common pitfalls in mind, you can avoid the most frequent errors made by learners. Remember: alto for height and volume, grande for size, and always match your genders and numbers. With these rules as your guide, your Spanish will sound much more natural and precise.

While alto is the most common word for 'tall' or 'high', Spanish offers a variety of synonyms and related terms that can add nuance to your descriptions. Depending on whether you are being formal, poetic, or technical, you might choose a different word to convey height or intensity. Understanding these alternatives will help you expand your vocabulary and better understand native speakers.

Elevado vs. Alto
Elevado is a more formal synonym for alto. It is often used when discussing abstract concepts like prices, thoughts, or positions. While you could say precios altos, precios elevados sounds slightly more sophisticated or technical. It is also used for physical height that is specifically 'raised' up, like an autopista elevada (elevated highway).

El coste de la vida es muy elevado en esta ciudad.

Espigado vs. Alto
If you want to describe someone who is not just tall, but also thin and slender, the word espigado is perfect. It comes from the word espiga (stalk of grain). While alto is neutral, espigado paints a more specific picture of a person's physique.

Es un joven espigado y elegante.

Eminente and Excelso
These are highly formal or literary terms. Eminente refers to someone who stands out in their field (like a 'high' authority), while excelso describes something of the highest quality or sublime nature. You wouldn't use these to describe a tall person, but you might use them to describe a 'high' achievement.

Es un científico de alto prestigio en su comunidad.

La alta costura parisina es famosa en todo el mundo.

El éxito requiere un alto grado de paciencia.

By exploring these synonyms, you can see that alto is just the beginning. Whether you need the precision of elevado, the descriptive power of espigado, or the formality of eminente, having these alternatives in your toolkit will make you a more versatile and expressive Spanish speaker. However, for most daily situations, alto remains your most reliable and clear choice.

How Formal Is It?

Fun Fact

In Latin, 'altus' could mean both 'high' and 'deep'. Spanish kept the 'high' meaning for 'alto', while 'deep' became 'profundo'.

Pronunciation Guide

UK /ˈalto/
US /ˈɑltoʊ/
The stress is on the first syllable: AL-to.
Rhymes With
asalto asfalto balto cobalto resalto salto esmalto peralto
Common Errors
  • Pronouncing the 'l' like an English 'dark l' (velarized). It should be a clear 'l' with the tongue behind the teeth.
  • Adding a 'w' sound to the end of the 'o' (diphthongizing it).
  • Pronouncing the 'a' like the 'a' in 'apple'. It should be 'ah' like in 'father'.
  • Missing the gender agreement (using 'alto' for everything).
  • Over-aspirating the 't'. It should be a soft, dental 't'.

Difficulty Rating

Reading 1/5

Very easy to recognize in text due to English cognates like 'altitude'.

Writing 2/5

Requires attention to gender and number agreement.

Speaking 2/5

Easy to pronounce, but remember to use it for volume too.

Listening 1/5

Clear pronunciation makes it easy to hear.

What to Learn Next

Prerequisites

ser estar bajo grande pequeño

Learn Next

altura elevado fuerte largo ancho

Advanced

altivo altisonante altibajos enaltecer

Grammar to Know

Adjective Agreement

La casa es alta (feminine singular).

Comparatives

Juan es más alto que Pedro.

Superlatives

Es la montaña más alta.

Ser vs Estar

Él es alto (trait) vs El volumen está alto (state).

Adjective Placement

Un alto cargo (emphatic/fixed) vs Un hombre alto (descriptive).

Examples by Level

1

Mi padre es muy alto.

My father is very tall.

Uses 'ser' for a permanent physical trait.

2

La torre es alta.

The tower is tall.

Feminine singular agreement with 'la torre'.

3

Los árboles son altos.

The trees are tall.

Masculine plural agreement with 'los árboles'.

4

Ella es más alta que yo.

She is taller than me.

Basic comparative structure.

5

El edificio es muy alto.

The building is very tall.

Adjective follows the noun.

6

Mis hermanos son altos.

My brothers are tall.

Plural agreement.

7

La niña no es alta.

The girl is not tall.

Negative sentence with 'no'.

8

Es un chico alto.

He is a tall boy.

Indefinite article + noun + adjective.

1

La música está muy alta.

The music is very loud.

Uses 'alto' for volume.

2

Habla más alto, por favor.

Speak louder, please.

Comparative 'más alto' used as an adverbial phrase.

3

Hoy hay temperaturas muy altas.

Today there are very high temperatures.

Plural feminine agreement with 'temperaturas'.

4

Es el edificio más alto de la ciudad.

It is the tallest building in the city.

Superlative construction.

5

Él es el más alto de su clase.

He is the tallest in his class.

Superlative for people.

6

No me gusta el volumen tan alto.

I don't like the volume so high.

Masculine singular agreement with 'volumen'.

7

Las montañas son muy altas aquí.

The mountains are very high here.

Describing geographical features.

8

Lee el texto en voz alta.

Read the text out loud.

Fixed phrase 'en voz alta'.

1

Pertenece a la alta sociedad.

He/She belongs to high society.

Adjective before the noun in a fixed social concept.

2

Los precios son demasiado altos.

The prices are too high.

Abstract use for cost.

3

Tiene un alto nivel de español.

He/She has a high level of Spanish.

Adjective before the noun for emphasis.

4

Navegamos en alta mar.

We are sailing on the high seas.

Fixed geographical phrase.

5

Es un cargo de alta responsabilidad.

It is a position of high responsibility.

Describing a professional role.

6

El éxito requiere un alto precio.

Success requires a high price.

Metaphorical use of 'alto'.

7

Hay una alta probabilidad de lluvia.

There is a high probability of rain.

Used with abstract nouns like probability.

8

El gato saltó a lo más alto del armario.

The cat jumped to the very top of the wardrobe.

Use of 'lo más alto' as a noun phrase.

1

No debemos pasar por alto este detalle.

We must not overlook this detail.

Idiomatic expression 'pasar por alto'.

2

Celebraron la boda por todo lo alto.

They celebrated the wedding in style.

Idiomatic expression 'por todo lo alto'.

3

Es un funcionario del alto mando.

He is a high-ranking official.

Fixed phrase for hierarchy.

4

La alta fidelidad es clave para los audiófilos.

High fidelity is key for audiophiles.

Technical term 'alta fidelidad'.

5

La empresa tiene una alta rotación de personal.

The company has a high staff turnover.

Business terminology.

6

Se encuentra en las altas esferas del poder.

He/She is in the high circles of power.

Metaphorical use for social/political standing.

7

Es un producto de alta gama.

It is a high-end product.

Commercial term for luxury.

8

La temperatura alcanzó un máximo histórico alto.

The temperature reached a record high.

Used in statistical contexts.

1

Fue acusado de alta traición.

He was accused of high treason.

Legal terminology.

2

Las altas cumbres estaban cubiertas de nieve.

The high peaks were covered in snow.

Literary placement of adjective before noun.

3

Mantiene una alta estima por sus colegas.

He/She holds a high regard for his/her colleagues.

Abstract emotional use.

4

El proyecto es de alta complejidad técnica.

The project is of high technical complexity.

Formal academic/professional use.

5

La alta costura requiere meses de trabajo manual.

Haute couture requires months of manual work.

Specific cultural/fashion term.

6

Su discurso tuvo un alto impacto en la audiencia.

His/Her speech had a high impact on the audience.

Describing influence or effect.

7

Se requiere una alta cualificación para el puesto.

A high qualification is required for the position.

Formal requirement description.

8

El río baja con un alto caudal tras las lluvias.

The river flows with a high volume after the rains.

Technical geographical use.

1

La obra destaca por su alto valor estético.

The work stands out for its high aesthetic value.

Sophisticated art criticism.

2

El filósofo aspira a lo más alto del pensamiento.

The philosopher aspires to the highest level of thought.

Metaphysical/abstract use of 'lo más alto'.

3

Es un texto de alta densidad conceptual.

It is a text of high conceptual density.

Academic literary analysis.

4

La diplomacia se juega en las más altas instancias.

Diplomacy is played out in the highest instances.

Formal political terminology.

5

Sufrió una alta desilusión tras el fracaso.

He/She suffered a great (high) disappointment after the failure.

Literary use for emotional intensity.

6

El tejido es de una alta finura.

The fabric is of a high fineness.

Technical description of material quality.

7

La alta política exige sacrificios personales.

High politics demands personal sacrifices.

Describing the upper echelons of a profession.

8

El poema evoca las altas regiones del espíritu.

The poem evokes the high regions of the spirit.

Poetic/spiritual usage.

Common Collocations

voz alta
precio alto
alta mar
alta tensión
alto mando
alta sociedad
altas temperaturas
alto nivel
alta fidelidad
alta traición

Common Phrases

en voz alta

— Out loud or loudly. Used when reading or speaking so others can hear.

Dilo en voz alta.

más alto

— Louder or taller. Context determines which one is meant.

¿Puedes hablar más alto?

lo más alto

— The highest point or the top. Used as a noun phrase.

Llegó a lo más alto.

alto y claro

— Loud and clear. Used to confirm understanding.

Te recibo alto y claro.

alta gama

— High-end or luxury. Used for expensive products.

Es un coche de alta gama.

altas horas

— Late hours (of the night). Usually used with 'de la noche'.

Llegó a altas horas de la noche.

alto riesgo

— High risk. Used in finance, health, or safety.

Es una inversión de alto riesgo.

alta velocidad

— High speed. Often used for trains (AVE in Spain).

El tren de alta velocidad.

alta montaña

— High mountain. Refers to alpine environments.

Ropa para alta montaña.

dar de alta

— To register or discharge (from a hospital). Note: 'alta' here is a noun.

Me dieron el alta médica.

Often Confused With

alto/a vs grande

Grande means big/large (area/volume), alto means tall (vertical height).

alto/a vs largo

Largo means long, not tall. This is a common false friend for English speakers.

alto/a vs fuerte

Fuerte means strong, but is often used colloquially for 'loud' instead of 'alto'.

Idioms & Expressions

"pasar por alto"

— To overlook, ignore, or fail to notice something.

No pases por alto sus errores.

neutral
"por todo lo alto"

— In a grand or lavish way; with no expense spared.

Celebraron su cumpleaños por todo lo alto.

informal
"de altos vuelos"

— Ambitious, high-flying, or of great importance.

Es un negocio de altos vuelos.

neutral
"poner el listón alto"

— To set the bar high; to have high expectations.

Su predecesor puso el listón muy alto.

neutral
"mirar por encima del hombro"

— To look down on someone (related to being 'higher').

No me mires por encima del hombro.

informal
"caerse de lo más alto"

— To have a great fall from grace or success.

Se cayó de lo más alto tras el escándalo.

neutral
"altos y bajos"

— Ups and downs; fluctuations in life or a situation.

Nuestra relación tiene sus altos y bajos.

neutral
"con la frente muy alta"

— With one's head held high; with dignity.

Salió de la oficina con la frente muy alta.

neutral
"pegar un grito muy alto"

— To scream very loudly.

Pegó un grito muy alto al ver la araña.

informal
"de alta alcurnia"

— Of high lineage or noble birth.

Proviene de una familia de alta alcurnia.

formal

Easily Confused

alto/a vs largo

English speakers think 'large' or 'long' relates to height.

Largo refers to horizontal length or duration. Alto refers to vertical height.

La mesa es larga, pero el armario es alto.

alto/a vs grande

Both describe size.

Grande is general size; alto is specific to height.

Un elefante es grande, pero una jirafa es alta.

alto/a vs ruidoso

Both relate to sound.

Ruidoso means 'noisy' (unpleasant). Alto means 'high volume'.

La calle es ruidosa, pero la música está alta.

alto/a vs elevado

Synonyms.

Elevado is more formal and often abstract.

Un pensamiento elevado.

alto/a vs bajo

Antonym.

Bajo is short/low. Alto is tall/high.

Él es alto, ella es baja.

Sentence Patterns

A1

[Subject] + ser + [alto/a].

María es alta.

A2

[Noun] + está + [alto/a].

La radio está alta.

B1

en voz + [alta].

Dilo en voz alta.

B2

pasar por + [alto].

No lo pases por alto.

C1

alta + [noun].

Alta traición.

C2

lo más + [alto] + de.

Lo más alto de la filosofía.

A1

[Subject] + no + ser + [alto/a].

Yo no soy alto.

A2

más + [alto/a] + que.

Él es más alto que tú.

Word Family

Nouns

altura (height)
altitud (altitude)
altivez (haughtiness)
altavoz (loudspeaker)
altiplano (high plateau)

Verbs

enaltecer (to praise/exalt)
altar (not a verb, but related noun)
alzar (to lift/raise - related root)

Adjectives

altivo (haughty/proud)
altanero (arrogant)
altísimo (very high/The Most High)

Related

altibajo
altar
altimetría
altruismo (false friend, not related)
altisonante

How to Use It

frequency

Extremely high in all Spanish dialects.

Common Mistakes
  • Él es muy largo. Él es muy alto.

    Largo means long, not tall. Use alto for people's height.

  • La música es muy fuerte. La música está muy alta.

    While 'fuerte' is used colloquially, 'alto' is the standard for volume levels.

  • La montaña es alto. La montaña es alta.

    Adjectives must agree in gender with the noun (montaña is feminine).

  • Un hombre grande (meaning tall). Un hombre alto.

    Grande means big/large in overall size; alto specifically means tall.

  • Habló en voz alto. Habló en voz alta.

    Voz is a feminine noun, so the adjective must be 'alta'.

Tips

Gender Match

Always look at the end of the noun. If it's 'la', use 'alta'. If it's 'el', use 'alto'.

Volume Control

Use 'alto' for volume. If the TV is too loud, say 'está muy alto'.

Sports Talk

In basketball, 'alto' is the most important word to describe players.

High Flying

Use 'de altos vuelos' to describe someone with big ambitions.

Not Largo!

Never use 'largo' for height. 'Largo' means 'long'.

Clear L

Make sure your 'l' is crisp and at the front of your mouth.

Formal Writing

Substitute 'alto' with 'elevado' in formal essays to sound more professional.

Context Clues

If you hear 'alto' in a car, it might mean 'stop'. If you hear it about a person, it means 'tall'.

Altitude

Remember: Alto = Altitude. Both relate to being high up.

Buildings

Use 'alto' for skyscrapers. 'Un rascacielos muy alto'.

Memorize It

Mnemonic

Think of an 'ALTitude' meter. It measures how ALTO something is. Or think of 'ALT' on a keyboard—it's an 'alternative' or 'higher' function.

Visual Association

Imagine a tall person reaching for the 'ALTO' (top) shelf. Or a stop sign (ALTO) on top of a very tall pole.

Word Web

Height Volume Altitude Status Price Mountain Building Voice

Challenge

Try to use 'alto' in three different ways today: describe a person, describe a sound, and describe a price.

Word Origin

From the Latin word 'altus', which means 'high', 'deep', or 'profound'. It is the past participle of the verb 'alere', meaning 'to nourish' or 'to cause to grow'.

Original meaning: The original Latin meaning encompassed both 'high' (growing upwards) and 'deep' (growing downwards into the earth).

Romance (Indo-European).

Cultural Context

Calling someone 'bajo' (short) can sometimes be sensitive, but 'alto' is almost always a compliment or a neutral observation.

English speakers often use 'big' for 'tall', but Spanish speakers are more precise with 'alto'.

Pau Gasol (famous tall basketball player) El Teide (highest peak in Spain) Alta Traición (common title for thriller movies)

Practice in Real Life

Real-World Contexts

Physical Description

  • Es muy alto.
  • ¿Cuánto mide de alto?
  • Es el más alto.
  • No es tan alto.

Sound/Music

  • Sube el volumen, está bajo.
  • Bájalo, está muy alto.
  • Habla más alto.
  • En voz alta.

Economics

  • Precios altos.
  • Alto coste.
  • Alta inflación.
  • Intereses altos.

Geography

  • Alta montaña.
  • Altitud sobre el nivel del mar.
  • Alta mar.
  • Cumbres altas.

Social/Professional

  • Alta sociedad.
  • Alto cargo.
  • Alta dirección.
  • Altos ideales.

Conversation Starters

"¿Eres la persona más alta de tu familia?"

"¿Te gusta vivir en un edificio alto o en una casa baja?"

"¿Prefieres la música alta o baja cuando estudias?"

"¿Crees que los precios en esta ciudad son muy altos?"

"¿Has estado alguna vez en una zona de alta montaña?"

Journal Prompts

Describe a la persona más alta que conoces y cómo es su personalidad.

Escribe sobre un momento en el que tuviste que hablar en voz alta frente a mucha gente.

¿Cuáles son las ventajas y desventajas de ser una persona muy alta?

Describe un edificio alto que te guste y por qué te impresiona.

Reflexiona sobre un 'alto precio' que hayas tenido que pagar por alcanzar una meta.

Frequently Asked Questions

10 questions

No, 'alto' can also mean 'high' (altitude), 'loud' (volume), or 'stop' (as a noun/command). For example, 'voz alta' means 'loud voice'.

Use 'alta' when the noun you are describing is feminine, such as 'la mujer alta' or 'la montaña alta'.

Yes, if you mean the building is tall. If you mean it occupies a lot of space, use 'grande'.

Always use 'ser' for a person's height (e.g., 'Soy alto') because it is a permanent characteristic.

You say 'más alto'. For example: 'Por favor, hable más alto'.

'Elevado' is more formal and often used for abstract things like 'precios elevados' (high prices).

Yes, as a noun or a command, 'alto' means 'stop'. You will see it on stop signs in many Spanish-speaking countries.

Use the superlative: 'el más alto' or 'la más alta'.

Usually 'agudo' is used for pitch, but 'alto' can refer to the register in music (like an alto singer).

It is an idiom meaning 'to overlook' or 'to ignore' something.

Test Yourself 180 questions

writing

Translate: 'My sister is tall.'

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

Correct! Not quite. Correct answer:
writing

Translate: 'The tall trees.'

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Correct! Not quite. Correct answer:
writing

Translate: 'The music is too loud.'

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

Correct! Not quite. Correct answer:
writing

Translate: 'Speak louder, please.'

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Correct! Not quite. Correct answer:
writing

Translate: 'High society.'

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Correct! Not quite. Correct answer:
writing

Translate: 'High prices.'

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Correct! Not quite. Correct answer:
writing

Translate: 'Don't overlook it.'

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Correct! Not quite. Correct answer:
writing

Translate: 'A high-end car.'

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Correct! Not quite. Correct answer:
writing

Translate: 'High treason.'

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Correct! Not quite. Correct answer:
writing

Translate: 'High fidelity.'

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Correct! Not quite. Correct answer:
writing

Write a sentence describing a tall building.

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Correct! Not quite. Correct answer:
writing

Write a sentence asking someone to read out loud.

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Correct! Not quite. Correct answer:
writing

Write a sentence about high temperatures.

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Correct! Not quite. Correct answer:
writing

Write a sentence using 'por todo lo alto'.

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Correct! Not quite. Correct answer:
writing

Write a sentence about 'alta costura'.

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Correct! Not quite. Correct answer:
writing

Write a sentence about 'altas instancias'.

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Correct! Not quite. Correct answer:
writing

Translate: 'Are you tall?'

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Correct! Not quite. Correct answer:
writing

Translate: 'He is the tallest.'

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Correct! Not quite. Correct answer:
writing

Translate: 'High seas.'

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Correct! Not quite. Correct answer:
writing

Translate: 'High voltage.'

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Correct! Not quite. Correct answer:
speaking

Say: 'I am tall.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'He is tall.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'The music is loud.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'Speak louder.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'High prices.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'Out loud.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'Don't ignore it.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'In style.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'High treason.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'High fidelity.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Describe your height in Spanish.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Ask someone to turn up the volume.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Talk about a high-level course.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Mention a high-end product.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Discuss 'alta costura'.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Use 'altas instancias' in a sentence.

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'The tall mountain.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'The tallest boy.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'High society.'

Read this aloud:

Correct! Not quite. Correct answer:
speaking

Say: 'High voltage.'

Read this aloud:

Correct! Not quite. Correct answer:
listening

Listen: 'Mi hermano es alto.' Who is tall?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'La casa es alta.' Is the house tall?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Sube el volumen, está muy bajo.' Does the speaker want it 'alto'?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Habla más alto.' What should I do?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Es de alta sociedad.' What is their status?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Precios altos.' Is it cheap?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Lo pasamos por alto.' Did we notice it?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Alta gama.' Is it luxury?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Alta traición.' Is it a crime?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Alta fidelidad.' What are we talking about?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Él no es alto.' Is he tall?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Voz alta.' How are they speaking?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Alta mar.' Where are they?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Alto mando.' Who is it?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:
listening

Listen: 'Altas cumbres.' What are they?

Correct! Not quite. Correct answer:
Correct! Not quite. Correct answer:

/ 180 correct

Perfect score!

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