How do Spanish adjectives agree with nouns?

Adjectives must match the noun in gender (m / f) and number (sg / pl). Standard endings: -o / -a / -os / -as for variable adjectives. Adjectives ending in -e or most consonants stay invariable for gender; only number changes.

Where do adjectives go in Spanish, before or after the noun?

Most adjectives go AFTER the noun (la casa roja). A few can go before for emphasis or to convey a subjective trait. Some adjectives (gran, viejo, pobre, nuevo) change meaning based on position.

What does it mean when bueno becomes buen?

Bueno (and malo, grande, primero, tercero, alguno, ninguno) shortens before masculine singular nouns. This is called apocope. Un buen amigo, un mal día, el primer libro. Feminine and plural forms stay full (una buena amiga, los buenos amigos).

Why does un gran hombre mean a great man but un hombre grande mean a big man?

Adjective position changes meaning for some words. Gran before noun = figurative (great). Grande after noun = literal (big). Native speakers use position to convey subjective vs. objective traits.

How can I master Spanish adjectives?

Practice gender / number agreement until automatic. Memorize the short forms (buen, mal, gran). Learn the meaning-changing position cases (gran / grande, viejo / viejo). Native input through Parrot reinforces these patterns by exposure.

Spanish grammar · Beginner

Spanish Adjectives: Agreement, Position, and Common Patterns

Written by Sofia Ramirez, Lead Spanish Curriculum Editor · Reviewed May 2026

Spanish adjectives agree in gender and number with the noun they describe. Most go AFTER the noun. A few (bueno, malo, grande, primero, último, mejor, peor) can go before, and bueno / malo / grande shorten before masculine singular nouns.

La casa roja, los coches rápidos.

The red house, the fast cars.

What it is

Spanish adjectives must agree in GENDER (masculine / feminine) and NUMBER (singular / plural) with the noun they describe. Most adjectives go AFTER the noun (la casa roja, not la roja casa). A few can go before, and some adjectives (bueno, malo, grande, primero, último) change meaning or shorten based on position.

La casa ROJA (the red house, adj. after). Una BUENA persona (a good person, adj. before for descriptive feel). Un BUEN amigo (a good friend, bueno shortens before masc. sg.).

How to spot it

Adjectives most often appear AFTER the noun. They must end in -o / -a / -os / -as (masculine / feminine sg / pl) for full agreement, or -e / -es (invariable in gender) for both.

Un libro interesante. — An interesting book.
Las flores blancas. — The white flowers.
Los coches rápidos. — The fast cars.

Adjectives ending in -e or a consonant don't change for gender, only for number: feliz (sg) → felices (pl), grande (sg) → grandes (pl).

Spanish Adjectives Quick Reference

Spanish adjective agreement patterns

Adjective	Masc. Sg.	Fem. Sg.	Masc. Pl.	Fem. Pl.
red	rojo	roja	rojos	rojas
interesting (-e)	interesante	interesante	interesantes	interesantes
happy (-z)	feliz	feliz	felices	felices
young (-ven)	joven	joven	jóvenes	jóvenes
English (-és)	inglés	inglesa	ingleses	inglesas

Common Spanish Adjectives Examples in Spanish

Spanish adjective use in real contexts:

Standard Agreement (After Noun)

La casa roja.: The red house.
Los libros viejos.: The old books.
Una amiga simpática.: A nice friend (female).

Most adjectives go AFTER the noun and agree in gender and number.

Invariable for Gender (-e, Consonant)

Un libro interesante / una clase interesante.: An interesting book / class.
Un día feliz / una persona feliz.: A happy day / a happy person.
Un examen difícil / una prueba difícil.: A difficult exam / test.

Adjectives ending in -e or a consonant (other than -or, -án, -ón, etc.) don't change for gender. They still change for number: felices, difíciles.

Short Forms Before Masculine Sg. (Buen, Mal, Gran)

Un buen amigo. (NOT un bueno amigo): A good friend.
Mal tiempo. (NOT malo tiempo): Bad weather.
Un gran hombre. (a great man): A great man.

Bueno → buen, malo → mal, grande → gran before masculine singular nouns. Feminine and plural keep the full form (buena, mala, grandes).

Adjectives That Change Meaning

Un gran hombre (great) / un hombre grande (big).: A great man / a big man.
Mi viejo amigo (long-time) / un hombre viejo (old in years).: My old friend / an old man.
El mismo día (the same) / el día mismo (the very day).: The same day / the very day.

Adjective position changes meaning for some words. Before noun = figurative / subjective. After noun = literal / descriptive.

How to Use Spanish Adjectives

Agreement: Gender and Number

Adjectives must match the noun in gender (m / f) and number (sg / pl). Standard endings: -o / -a / -os / -as.

Rojo / roja / rojos / rojas. Alto / alta / altos / altas.

Red / tall (4 forms each).

If the noun is feminine plural, the adjective must be too. Las casas rojas, not las casas rojos.

Adjectives Ending in -E or Consonant Are Gender-Invariable

Adjectives ending in -e (interesante) or most consonants (feliz, joven, difícil) don't change for gender. Only number changes.

Interesante / interesantes. Feliz / felices. Joven / jóvenes.

Interesting (sg/pl), happy (sg/pl), young (sg/pl).

Exceptions: nationality adjectives ending in consonant DO have feminine forms: inglés → inglesa, español → española.

Position: Usually After the Noun

Most descriptive adjectives go AFTER the noun. La casa roja, los coches rápidos.

La casa grande. El libro interesante. Una idea importante.

The big house. The interesting book. An important idea.

Before-noun position emphasizes the trait as inherent or subjective. After-noun is the default descriptive position.

Short Forms Before Masculine Singular

Bueno → buen, malo → mal, grande → gran (all forms), primero → primer, tercero → tercer, alguno → algún, ninguno → ningún, before masculine singular nouns.

Un buen amigo. Mal tiempo. Un gran hombre. El primer día. Algún libro. Ningún problema.

A good friend. Bad weather. A great man. The first day. Some book. No problem.

Only before MASCULINE SINGULAR nouns. Feminine and plural keep full forms (buena, malos, grandes).

Common Mistakes with Spanish Adjectives

Incorrect: Las casas rojos. — The red houses.

Correct: Las casas rojas. — The red houses.

Adjective must match noun's gender. Casas is feminine plural → rojas (feminine plural).

Incorrect: Un bueno amigo. — A good friend.

Correct: Un buen amigo. — A good friend.

Bueno shortens to buen before masculine singular nouns. Same with malo → mal, grande → gran.

Incorrect: Un gran amigo (intending big). — A big friend (in size).

Correct: Un amigo grande. — A big friend.

Position changes meaning. Gran before noun = great (figurative). Grande after noun = big (literal). Same for viejo (long-time vs. old).

Adjectives That Change Meaning by Position

Before vs. After: Subjective vs. Literal

Some adjectives shift meaning based on position. Before noun = figurative / subjective. After noun = literal / descriptive.

un gran hombre (great) / un hombre grande (big): A great man / a big man.
mi viejo amigo (long-time) / un hombre viejo (old in years): My old friend / an old man.
el pobre niño (unfortunate) / un niño pobre (without money): The poor (unfortunate) child / a poor (financially) child.
un nuevo coche (another / different) / un coche nuevo (brand new): A new (different) car / a brand-new car.

Position carries meaning. Native speakers naturally use position to convey nuance.

Short Forms (Apocope)

Several adjectives shorten before masculine singular nouns. The shortening (apocope) is required.

bueno → buen, malo → mal, grande → gran (all genders).: A good / bad / great + masc. sg. noun.
primero → primer, tercero → tercer.: The first / third + masc. sg. noun.
alguno → algún, ninguno → ningún.: Some / no + masc. sg. noun.

Only before masculine SINGULAR. Feminine and plural keep full forms.

Spanish Adjectives FAQs

How do Spanish adjectives agree with nouns?: Adjectives must match the noun in gender (m / f) and number (sg / pl). Standard endings: -o / -a / -os / -as for variable adjectives. Adjectives ending in -e or most consonants stay invariable for gender; only number changes.
Where do adjectives go in Spanish, before or after the noun?: Most adjectives go AFTER the noun (la casa roja). A few can go before for emphasis or to convey a subjective trait. Some adjectives (gran, viejo, pobre, nuevo) change meaning based on position.
What does it mean when bueno becomes buen?: Bueno (and malo, grande, primero, tercero, alguno, ninguno) shortens before masculine singular nouns. This is called apocope. Un buen amigo, un mal día, el primer libro. Feminine and plural forms stay full (una buena amiga, los buenos amigos).
Why does un gran hombre mean a great man but un hombre grande mean a big man?: Adjective position changes meaning for some words. Gran before noun = figurative (great). Grande after noun = literal (big). Native speakers use position to convey subjective vs. objective traits.
How can I master Spanish adjectives?: Practice gender / number agreement until automatic. Memorize the short forms (buen, mal, gran). Learn the meaning-changing position cases (gran / grande, viejo / viejo). Native input through Parrot reinforces these patterns by exposure.