2
operative
2
ply(verb, stop, use)
2
profitable
2
quick(adjective, clumsy, delayed)
2
responsible
2
spirited(adjective, dull, light, weak)
2
sprightly
2
worthwhile
1
activity
1
agile
1
apply
1
bustling
1
change
1
commit(verb, stop, fail, perform)
1
do(verb, carry)
1
do things
1
drudging
1
effectual
1
enterprising
1
exercise(noun, aid, decrease, avoid)
10 years ago|5.2k views|share |citing 
APASmart Define. (2015). idle thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/idle/thesaurus/antonyms
ChicagoSmart Define. 2015. "idle thesaurus" https://smartdefine.org/idle/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, idle thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/idle/thesaurus/antonyms>.
MLASmart Define. "idle thesaurus" 23 October 2015. Web. 25 September 2026. <https://smartdefine.org/idle/thesaurus/antonyms>