How to Say "briefs" in Spanish
The Spanish word for “briefs” is “calzoncillo” — A2 level. This is a very common word in everyday Spanish.

Examples
Necesito comprar un calzoncillo nuevo porque este ya está viejo.
I need to buy a new pair of underpants because this one is already old.
Él prefiere el calzoncillo de algodón porque es más cómodo.
He prefers cotton underwear because it is more comfortable.
Se me olvidó empacar más de un calzoncillo en la maleta.
I forgot to pack more than one pair of underpants in the suitcase.
The Plural Habit
Just like the word 'pants' or 'glasses' in English, Spanish speakers almost always use the plural form 'calzoncillos' even when talking about a single item.
Always Masculine
This word is always masculine. Even if you use the plural, you must use masculine markers like 'los' or 'unos'.
Gender confusion
Mistake: “Me puse la calzoncillo.”
Correction: Me puse el calzoncillo. (Remember that words ending in -o are almost always masculine).
Related Translations
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