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"Thirty" is an adjective which is often translated as "treinta", and "forty" is an adjective which is often translated as "cuarenta". Learn more about the difference between "thirty" and "forty" below.
thirty(
thuhr
-
di
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. treinta
I was born thirty years ago.Nací hace treinta años.
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
noun
a. el treinta
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
Thirty is my favorite number.El treinta es mi número favorito.
a. y media
What's the time? - It's two thirty.¿Qué hora es? - Son las dos y media.
thirties
A plural noun indicates that there is more than one person, place, thing, or idea.
plural noun
a. los años treinta
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
My grandfather was born in the thirties.Mi abuelo nació en los años treinta.
a. treinta y pico (colloquial)
When she was in her thirties she moved to France. Cuando tenía treinta y pico se mudó a Francia.
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forty(
for
-
di
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. cuarenta
I have forty boxes to deliver today!¡Tengo cuarenta cajas para entregar hoy!
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
noun
a. el cuarenta
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
The square root of sixteen hundred is forty.La raíz cuadrada de mil seiscientos es cuarenta.
forties
A plural noun indicates that there is more than one person, place, thing, or idea.
plural noun
a. los años cuarenta
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
World War II ended in the forties, right?La Segunda Guerra Mundial terminó en los años cuarenta, ¿no?
a. cuarenta y pico (colloquial)
How old do you think Mrs. Smith is? - I think she's in her forties. ¿Cuántos años le calculas a la Sra. Smith? - Creo que tiene cuarenta y pico.
Copyright © 2025 Dictionary Media Group, Inc.