403 entries under adjective topic. ×

14
stout(calm, strong, sound, tough)
13
reliable(calm, close, strong, secure)
13
unyielding(clear, strong, sound, tough)
12
indomitable(strong, firm, determined, steady)
12
solid(calm, good, strong, sound)
12
sturdy(calm, strong, sound, tough)
12
tireless(strong, firm, determined, steady)
12
tough(calm, clear, strong, sound)
11
brave(health, determined, vigorous, noble)
11
immovable(set, strong, hard, firm)
11
indefatigable(strong, tough, fit, firm)
11
sound(noun, health, calm, strong)
11
stubborn(characteristic, quality, strong, tough)
11
trusty(good, close, strong, correct)
11
unflagging(strong, tough, fit, firm)
10
courageous(firm, determined, vigorous, noble)
10
fixed(strong, sound, tough, flat)
10
hardy(noun, health, strong, sound)
10
resolved(strong, firm, certain, determined)
10
stable(good, strong, sound, tough)
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APASmart Define. (2015). staunch thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/staunch/thesaurus/synonyms
ChicagoSmart Define. 2015. "staunch thesaurus" https://smartdefine.org/staunch/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, staunch thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/staunch/thesaurus/synonyms>.
MLASmart Define. "staunch thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/staunch/thesaurus/synonyms>