1
lush(adjective, exuberance)
1
luxuriant(adjective, exuberance)
1
of assistance(adjective, success)
1
of help(adjective, success)
1
of use(adjective, success)
1
operably(adverb, effect, success, productivity)
1
operative(adjective, effect, productivity)
1
original(adjective, exuberance)
1
plenteous(adjective, exuberance)
1
plentiful(adjective, exuberance)
1
plentitudinous(adjective, exuberance)
1
potent(adjective, effect, productivity)
1
potently(adverb, effect, success, productivity)
1
practicable(adjective, effect, success, productivity)
1
practical(adjective, effect, success, productivity)
1
producing(adjective, exuberance)
1
producing good results(adjective, exuberance, productivity, expression)
1
producing helpful results(adjective, exuberance, productivity, expression)
1
productive(adjective, exuberance, success, productivity)
1
profitable(adjective, success)
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APASmart Define. (2016). in vain thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/in_vain/thesaurus/antonyms
ChicagoSmart Define. 2016. "in vain thesaurus" https://smartdefine.org/in_vain/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, in vain thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/in_vain/thesaurus/antonyms>.
MLASmart Define. "in vain thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/in_vain/thesaurus/antonyms>