avid
adjective
[ ˈavɪd ]
• having or showing a keen interest in or enthusiasm for something.
• "an avid reader of science fiction"
Similar:
keen,
eager,
enthusiastic,
ardent,
passionate,
devoted,
dedicated,
fervent,
fervid,
zealous,
fanatical,
voracious,
insatiable,
wholehearted,
earnest,
as keen as mustard,
Origin:
mid 18th century: from French avide or Latin avidus, from avere ‘crave’.