17
hefty(adjective, person, body, strong, hard)
16
hearty(adjective, person, body, strong, sound)
16
stable(adjective, strong, hard, sound, complete)
15
lusty(adjective, strong, great, tough, fit)
15
well-built(adjective, calm, person, body, strong)
14
beefy(adjective, person, body, strong, large)
14
healthy(adjective, person, strong, complete, tough)
14
mighty(adjective, person, body, strong, great)
13
able-bodied(adjective, person, body, strong, sound)
13
sinewy(adjective, strong, sound, tough, solid)
13
staunch(noun, adjective, calm, strong, sound)
12
hale(adjective, strong, sound, complete, tough)
12
hard(adjective, person, set, body, strong)
11
tenacious(adjective, strong, sound, tough, fit)
10
determined(adjective, solid, resolute, durable)
10
indomitable(adjective, strong, hard, great, tough)
10
potent(adjective, strong, great, sound, strength)
10
unyielding(adjective, strong, hard, sound, tough)
9
secure(verb, adjective, calm, strong, hard)
9
steadfast(adjective, calm, strong, tough, firm)
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APASmart Define. (2016). sturdy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sturdy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sturdy thesaurus" https://smartdefine.org/sturdy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sturdy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sturdy/thesaurus/synonyms>.
MLASmart Define. "sturdy thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/sturdy/thesaurus/synonyms>