192 entries under fit topic. ×

12
tough(adjective, calm, strong, firm)
11
peal(noun, verb, report, strike)
11
plumb(noun, verb, check, mark, determine)
11
roar(noun, verb, expression, produce, rise)
11
rugged(adjective, strong, tough, solid)
11
unimpaired(verb, adjective, good, bad, strong)
9
fine(adjective, good, bad, strong, great)
9
staunch(adjective, health, calm, strong, secure)
8
powerful(adjective, clear, strong, direct, tough)
7
able-bodied(adjective, strong, tough, right)
7
advisable(adjective, good, reasonable, sensible)
7
gauge(noun, verb, check, mark, determine)
7
in fine fettle(expression, adjective, idiom, health, strong)
7
potent(adjective, clear, strong, direct, tough)
7
together(adjective, calm, good, strong, complete)
6
in good condition(expression, adjective, idiom, strong, tough)
6
stalwart(adjective, calm, strong, tough)
6
useful(adjective, direct, reasonable, sensible)
5
fresh(adjective, health, strong, tough)
5
healthful(adjective, health, good, strong, tough)
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APASmart Define. (2016). sound thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sound/thesaurus/synonyms
ChicagoSmart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, sound thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>.
MLASmart Define. "sound thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms>