zealous
adjective
[ ˈzɛləs ]
• having or showing zeal.
• "the council was extremely zealous in the application of the regulations"
Similar:
fervent,
ardent,
fervid,
fiery,
passionate,
impassioned,
devout,
devoted,
committed,
dedicated,
enthusiastic,
eager,
keen,
avid,
sincere,
wholehearted,
hearty,
earnest,
vigorous,
energetic,
zestful,
purposeful,
forceful,
intense,
fierce,
single-minded,
go-ahead,
pushy,
perfervid,
Origin:
early 16th century: from a medieval Latin derivative of Latin zelus ‘zeal, jealousy’.