Synonyms of avid in English:

avid


See US English definition of avid

See UK English definition of avid

See Spanish definition of ávido

adjective

1‘an avid reader of science fiction’

SYNONYMS
keen, eager, enthusiastic, ardent, passionate, devoted, dedicated, fervent, fervid, zealous, fanatical, voracious, insatiable
wholehearted, earnest
British informal as keen as mustard
ANTONYMS

apathetic, half-hearted