2
thriving(adjective, strong, tough, fit, healthy)
2
unbending(adjective, close, strong, hard, tough)
2
unchangeable(adjective, calm, strong, secure, firm)
2
unshakeable
2
unshaken(adjective, firm, solid, stable, fixed)
2
vast(strong, powerful, significant, large, forceful)
2
weighty(adjective, strong, energetic, significant, large)
2
well-developed(adjective, person, body, brawny, well-built)
2
wholesome(adjective, complete, fit, solid, vigorous)
1
abiding(adjective, calm, strong, secure, tough)
1
able(adjective, strong, sound, tough, fit)
1
admittedly
1
affectionate
1
aggressive(adjective, strong, moving, lively, active)
1
alcoholic
1
all right(expression, strong, tough, fit, fresh)
1
almighty(strong, energetic, powerful, vigorous, capable)
1
anchored(calm, strong, solid, steady, substantial)
1
animated(adjective, strong, moving, lively, active)
1
antitypous
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APASmart Define. (2016). sturdy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, sturdy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>.
MLASmart Define. "sturdy thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms>