Learn more about this cardinal number in the Answers section.
thirty
adjective
1. (number) 
a. treinta 
I was born thirty years ago.Nací hace treinta años.
noun
2. (number) 
a. el treinta (M) 
Thirty is my favorite number.El treinta es mi número favorito.
thirties
plural noun
3. (decade) 
a. los años treinta (M) 
My grandfather was born in the thirties.Mi abuelo nació en los años treinta.
4. (approximate age) 
a. treinta y pico (colloquial) 
When she was in her thirties she moved to France. Cuando tenía treinta y pico se mudó a Francia.
thirty
thirty [ˈθɜːtɪ]
adjective
pronoun
treinta
noun
(numeral) treinta (m)
the thirties (1930s) los años treinta; to be in one's thirties tener treinta y tantos años
Phrases with "30"
Here are the most popular phrases with "30." Click the phrases to see the full entry.
thirty-one 
treinta y uno 
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