107 entries under sturdy topic. ×

1
mighty(adjective, strong, sound, tough, fit)
1
muscular(adjective, strong, sound, tough, fit)
1
poised(adjective, calm, strong, secure, firm)
1
powerful(adjective, strong, sound, tough, fit)
1
regular(adjective, firm, solid, steady, stable)
1
reinforced(adjective, strong, sound, tough, solid)
1
safe(adjective, calm, strong, secure, firm)
1
sedate(adjective, firm, solid, stable, fixed)
1
self-possessed(adjective, calm, quiet, gentle, firm)
1
serene(adjective, calm, quiet, gentle, firm)
1
set in stone(expression, adjective, idiom, calm, strong)
1
sinewy(adjective, strong, sound, tough, fit)
1
sober(adjective, calm, cool, firm, solid)
1
solid as a rock(expression, adjective, idiom, calm, strong)
1
staid(adjective, firm, solid, stable, fixed)
1
stark(adjective, strong, sound, tough, solid)
1
strapping(adjective, strong, sound, tough, fit)
1
uniform(adjective, calm, strong, secure, firm)
1
unshaken(adjective, set, clear, strong, flat)
1
vigorous(adjective, strong, sound, tough, fit)
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APASmart Define. (2016). enduring thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/enduring/thesaurus/synonyms
ChicagoSmart Define. 2016. "enduring thesaurus" https://smartdefine.org/enduring/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, enduring thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/enduring/thesaurus/synonyms>.
MLASmart Define. "enduring thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/enduring/thesaurus/synonyms>