Synonyms of avid in English:

avid


See definition of avid

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