6
operative(adjective, feature, important, behavior, effective)
6
profound(adjective, strong, intense, passionate, excited)
6
sinewed(verb, adjective, control, hard, power)
6
stable(adjective, strong, hard, power, sound)
6
tidy(verb, adjective, feature, control, doing)
6
zippy(adjective, strong, tough, energetic, lively)
5
big(adjective, good, person, body, strong)
5
close(adjective, feature, action, control, strong)
5
drastic(adjective, power, drug, energy, severe)
5
firm(noun, adjective, strong, sound, tough)
5
punchy(adjective, strong, hard, power, strength)
5
senior(noun, adjective, feature, control, strong)
5
slashing(noun, adjective, characteristic, control, strong)
5
adequate(adjective, action, control, power, tough)
5
coercive(adjective, severe, influence, authority, violent)
5
dominating(adjective, feature, control, strong, strength)
5
earnest(adjective, strong, intense, energetic, passionate)
5
fibrous(adjective, feature, strong, vigorous, sturdy)
5
forte(feature, control, strong, leader, piercing)
5
fresh(adjective, strong, hard, power, strength)
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APASmart Define. (2015). powerful thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/powerful/thesaurus/synonyms
ChicagoSmart Define. 2015. "powerful thesaurus" https://smartdefine.org/powerful/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, powerful thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/powerful/thesaurus/synonyms>.
MLASmart Define. "powerful thesaurus" 30 November 2015. Web. 21 September 2026. <https://smartdefine.org/powerful/thesaurus/synonyms>