30 entries under effect topic. ×

4
effective(adjective, success, productivity)
1
accomplished(adjective, success, productivity)
1
advantageously(adverb, success, productivity)
1
aggressively(adverb, success, productivity)
1
applicable(adjective, success, productivity)
1
convincing(adjective, success, productivity)
1
effective immediately(expression, success, productivity)
1
effectively(adverb, success, productivity)
1
effectual(adjective, success, productivity)
1
efficacious(adjective, productivity)
1
efficient(adjective, productivity)
1
efficiently(adverb, success, productivity)
1
fruitful(adjective, productivity)
1
hyperefficient(adjective, success, productivity)
1
in an effective way(expression, success, productivity)
1
in an efficient manner(expression, success, productivity)
1
in an efficient way(adverb, success, productivity)
1
like a blue streak(expression, success, productivity)
1
operably(adverb, success, productivity)
1
operative(adjective, productivity)
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APASmart Define. (2016). in vain thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/in_vain/thesaurus/antonyms
ChicagoSmart Define. 2016. "in vain thesaurus" https://smartdefine.org/in_vain/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, in vain thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/in_vain/thesaurus/antonyms>.
MLASmart Define. "in vain thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/in_vain/thesaurus/antonyms>