15
persuasive(adjective, clear, strong, great, tough)
15
important(adjective, strong, influence, intense, powerful)
14
competent(adjective, power, tough, keen, bright)
13
cogent(adjective, clear, strong, power, great)
13
in force(expression, adjective, idiom, strong, power)
13
virtuous(adjective, feature, characteristic, good, honor)
12
convincing(adjective, clear, strong, great, energetic)
12
dynamic(adjective, strong, tough, energetic, violent)
12
energetic(adjective, strong, tough, violent, powerful)
12
forcible(adjective, clear, strong, tough, energetic)
12
functional(adjective, good, useful, valuable, running)
11
able(adjective, power, tough, bright, energetic)
11
fruitful(adjective, good, rich, valuable, positive)
11
serviceable(adjective, good, useful, valuable, practical)
11
striking(adjective, intense, important, powerful, noble)
11
true(adjective, feature, characteristic, honor, detail)
10
dependable(adjective, feature, characteristic, honor, detail)
10
expedient(adjective, appropriate, useful, practical, convenient)
10
good(adjective, honest, noble, valuable, competent)
10
trenchant(adjective, strong, sharp, important, powerful)
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APASmart Define. (2015). effective thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/effective/thesaurus/synonyms
ChicagoSmart Define. 2015. "effective thesaurus" https://smartdefine.org/effective/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, effective thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/effective/thesaurus/synonyms>.
MLASmart Define. "effective thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/effective/thesaurus/synonyms>