158 entries under tough topic. ×

7
efficient(adjective, good, strong, direct, sound)
7
hardy(noun, adjective, strong, great, sound)
6
competent(adjective, strong, direct, energetic)
6
concentrated(adjective, strong, hard, intense)
6
firm(noun, adjective, clear, strong, sound)
6
full-bodied(adjective, strong, powerful, healthy)
6
hearty(adjective, strong, sound, fit)
6
sound(adjective, clear, strong, direct)
6
vital(adjective, strong, energetic, powerful)
5
hefty(adjective, strong, fit, healthy)
5
brawny(adjective, strong, fit, healthy)
5
husky(adjective, strong, fit, fresh)
5
intense(adjective, clear, strong, great)
5
lively(adjective, strong, fit, intense)
5
mettlesome(adjective, strong, energetic, powerful)
5
muscular(adjective, strong, powerful, fresh)
5
stalwart(adjective, strong, great, sound)
5
vehement(adjective, clear, strong, severe)
5
zippy(adjective, strong, energetic, powerful)
4
fervent(adjective, clear, severe, intense)
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APASmart Define. (2015). potent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/potent/thesaurus/synonyms
ChicagoSmart Define. 2015. "potent thesaurus" https://smartdefine.org/potent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, potent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/potent/thesaurus/synonyms>.
MLASmart Define. "potent thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/potent/thesaurus/synonyms>