120 entries under sturdy topic. ×

7
certain(adjective, clear, strong, easy, firm)
7
cool(verb, adjective, upset, calm, good)
7
well-built(adjective, calm, strong, secure, tough)
6
stalwart(adjective, calm, strong, tough, fit)
5
hunk(adjective, strong, hard, substantial)
4
active(adjective, strong, direct, tough, fit)
4
big(adjective, strong, tough, solid, heavy)
4
fixed(adjective, clear, strong, hard, secure)
4
husky(adjective, strong, hard, tough, right)
4
intense(adjective, strong, tough, firm, solid)
4
set(adjective, calm, clear, strong, hard)
4
unshakable(adjective, strong, hard, secure, continue)
4
well-made(adjective, strong, tough, solid, heavy)
3
athletic(adjective, strong, tough, fit, solid)
3
concrete(adjective, strong, hard, physical, material)
3
forceful(adjective, clear, strong, direct, tough)
3
hefty(adjective, strong, hard, tough, fit)
3
muscular(adjective, strong, tough, fit, solid)
3
strapping(adjective, strong, tough, right, fit)
2
able(adjective, strong, direct, tough, easy)
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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>