328 entries under strong topic. ×

26
unbreakable(adjective, firm, solid, stiff)
25
stringy(adjective, feature, characteristic, thin)
23
stiff(adjective, hard, severe, rough)
23
durable(adjective, calm, quality, sound)
21
robust(adjective, person, body, hard)
20
adamant(adjective, mean, hard, rough)
20
hardy(adjective, person, quality, body)
20
obdurate(adjective, mean, hard, cool)
19
hardened(noun, adjective, characteristic, hard)
19
leathery(adjective, feature, characteristic, hard)
19
powerful(adjective, person, body, great)
19
tiger(noun, bad, fit, temper)
18
resolute(adjective, calm, clear, hard)
18
solid(adjective, calm, person, body)
18
strenuous(adjective, action, dull, great)
18
unbending(adjective, mean, clear, hard)
17
courageous(adjective, clear, severe, lively)
17
stalwart(adjective, calm, person, body)
17
vigorous(adjective, sound, fit, smart)
16
brawny(adjective, person, body, vigorous)
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APASmart Define. (2016). tough thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/tough/thesaurus/synonyms
ChicagoSmart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, tough thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>.
MLASmart Define. "tough thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms>