137 entries under effective topic. ×

11
authoritarian(adjective, strong, power, energy)
11
solid(adjective, good, person, clear, body)
11
valid(adjective, clear, power, direct, sound)
11
vehement(adjective, strong, hard, power, strength)
10
controlling(adjective, force, strong, power, important)
10
ruling(adjective, strong, important, prominent, popular)
10
supreme(adjective, strong, power, dynamic)
9
virile(adjective, strong, hard, power, sound)
8
sound(adjective, clear, strong, hard, power)
8
efficient(adjective, good, strong, power, direct)
8
preeminent(adjective, strong, great, outstanding, grand)
7
capable(adjective, good, strong, power, great)
7
prevailing(adjective, force, strong, power, strength)
7
consequential(adjective, good, clear, strong, important)
6
all-powerful(adjective, strong, great, influence, difficult)
6
operative(adjective, feature, important, behavior)
5
punchy(adjective, strong, hard, power, strength)
5
adequate(adjective, action, control, power, tough)
5
paramount(adjective, strong, power, energy)
5
trenchant(adjective, strong, direct, severe, sharp)
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APASmart Define. (2015). powerful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/powerful/thesaurus/synonyms
ChicagoSmart Define. 2015. "powerful thesaurus" https://smartdefine.org/powerful/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, powerful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/powerful/thesaurus/synonyms>.
MLASmart Define. "powerful thesaurus" 30 November 2015. Web. 23 September 2026. <https://smartdefine.org/powerful/thesaurus/synonyms>