Synonyms|1.6kAntonyms|336|Broader|122Narrower|184Related|2.8k

157 entries under tough topic. ×

8
sound(adjective, clear, strong, hard, power)
8
efficient(adjective, good, strong, power, direct)
8
hale(adjective, strong, sound, fit)
7
capable(adjective, good, strong, power, great)
7
robustious(adjective, strong, hard, power, strength)
7
vital(adjective, strong, sound, energetic)
6
driving(adjective, strong, hard, power, strength)
6
fit(adjective, strong, hard, power, strength)
6
indomitable(adjective, strong, great, strength)
6
stable(adjective, strong, hard, power, sound)
6
zippy(adjective, strong, energetic, lively)
5
big(adjective, good, person, body, strong)
5
firm(noun, adjective, strong, sound)
5
adequate(adjective, action, control, power)
5
fresh(adjective, strong, hard, power, strength)
5
mettlesome(adjective, strong, energetic, lively)
5
peppy(adjective, strong, energetic, lively)
5
spirited(adjective, strong, bright, intense)
5
well-built(adjective, person, body, strong, sound)
5
wicked(adjective, strong, fit, informal)
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ChicagoSmart Define. 2015. "powerful thesaurus" https://smartdefine.org/powerful/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, powerful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/powerful/thesaurus/synonyms>.
MLASmart Define. "powerful thesaurus" 30 November 2015. Web. 28 September 2026. <https://smartdefine.org/powerful/thesaurus/synonyms>