Indefinite Articles in Spanish. Forms and Uses

Indefinite articles in Spanish (“Artículos indeterminados”) are a collection of words that precede nouns in many circumstances, indicating their gender and number.

They are all equivalent to the English words “a, an” in singular, and “some, a few” in plural.


Because in Spanish we need to match the gender and number of the noun, there are 4 different Indefinite Articles, which are:


Examples with nouns

“un” + singular masculine nouns:

un coche, un profesor, un rayo, un árbol = a car, a teacher, a ray, a tree

“una” + singular feminine nouns:

una casa, una canción, una flor, una mujer = a house, a song, a flower, a woman

“unos” + plural masculine nouns:

unos amigos, unos vasos, unos problemas = some friends, a few glasses, some problems

“unas” + plural feminine nouns:

unas señoras, unas manzanas, unas palabras = a few ladies, some apples, a few words

Example Sentences

Finally, here are some sentences using Indefinite Articles:

Hay un hombre esperando en la puerta. = There is a man waiting at the door.

Mallorca es una isla de España. = Mallorca is an isle of Spain, 

Tengo unos libros interesantes. = I have some interesting books.

Manuel conoce a unas chicas muy simpáticas. = Manuel knows a few very nice girls.