103 entries under sturdy topic. ×

1
athletic(adjective, strong, sound, tough, fit)
1
balanced(adjective, calm, strong, secure, firm)
1
big(adjective, strong, sound, tough, solid)
1
brick-wall(adjective, calm, strong, secure, firm)
1
capable(adjective, strong, sound, tough, fit)
1
equable(adjective, calm, strong, secure, firm)
1
even(adjective, calm, strong, secure, firm)
1
forceful(adjective, clear, strong, sound, tough)
1
forcible(adjective, strong, sound, tough, solid)
1
hard as nails(expression, adjective, idiom, strong, sound)
1
heavy(adjective, strong, sound, tough, solid)
1
heavy-duty(adjective, strong, sound, tough, solid)
1
in fine feather(expression, adjective, idiom, strong, sound)
1
intense(adjective, clear, tough, severe, firm)
1
mighty(adjective, strong, sound, tough, fit)
1
never-failing(adjective, strong, flat, firm, solid)
1
poised(adjective, calm, strong, secure, firm)
1
reinforced(adjective, strong, sound, tough, solid)
1
safe(adjective, calm, good, strong, secure)
1
set in stone(expression, adjective, idiom, calm, strong)
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APASmart Define. (2015). staunch thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/staunch/thesaurus/synonyms
ChicagoSmart Define. 2015. "staunch thesaurus" https://smartdefine.org/staunch/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, staunch thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/staunch/thesaurus/synonyms>.
MLASmart Define. "staunch thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/staunch/thesaurus/synonyms>