307 entries under strong topic. ×

4
stubborn(adjective, hard, tough, firm)
4
tight(adjective, close, hard, tough)
4
well-founded(adjective, calm, sound, secure)
3
broad-shouldered(adjective, person, body, robust)
3
considerable(adjective, powerful, significant, substantial)
3
dense(adjective, person, close, set, body)
3
fresh(adjective, moving, tough, fit)
3
great(adjective, person, body, powerful)
3
hulking(adjective, solid, large, robust)
3
in fine fettle(expression, adjective, idiom, tough)
3
in good shape(expression, adjective, idiom, person)
3
material(adjective, hard, solid, big)
3
mettlesome(adjective, tough, intense, energetic)
3
physical(adjective, hard, fit, substantial)
3
reliable(adjective, calm, secure, tough)
3
resistant(adjective, tough, fit, healthy)
3
sure(adjective, calm, tough, continue)
3
wiry(adjective, brawny, well-built, beefy)
2
active(adjective, person, sound, tough)
2
adamant(adjective, hard, tough, firm)
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APASmart Define. (2016). sturdy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, sturdy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>.
MLASmart Define. "sturdy thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms>