assiduous
- adjective (adj)
Meaning: hard-working
Synonyms:
active
attentive
busy
constant
diligent
eager beaver
exacting
grinding
indefatigable
industrious
laborious
persevering
plugging
scrupulous
sedulous
steady
studious
unflagging
untiring
whiz
zealous
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.