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"Gratis" is an adjective which is often translated as "free", and "libre" is an adjective which is also often translated as "free". Learn more about the difference between "gratis" and "libre" below.
gratis(
grah
-
tees
)An adjective is a word that describes a noun (e.g., the big dog).
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
a. for nothing
Puedes estar seguro de que yo gratis no trabajo.You can be sure I don't work for nothing.
libre(
lee
-
breh
)An adjective is a word that describes a noun (e.g., the big dog).
1. (at liberty)
a. free
Soy libre; puedo dormir hasta mediodía si quiero.I'm free; I can sleep until noon if I feel like it.
2. (time)
a. free
Esos libros son libres. Puedes llevarte los que quieras.Those books are free. You can take as many as you like.