403 entries under adjective topic. ×

2
fit(strong, healthy, well, robust)
2
fond(kind, true, caring, loving)
2
hard(strong, firm, resolute, sturdy)
2
hard-core(close, correct, firm, honest)
2
headstrong(resolute, tenacious)
2
honest(close, strong, correct, firm)
2
husky
2
immutable(calm, strong, secure, firm)
2
implacable(hard, firm, determined, resolute)
2
incorruptible(close, correct, firm, honest)
2
inexorable(set, hard, determined, resolute)
2
infallible
2
mettlesome(determined, courageous, fearless, plucky)
2
patriotic(close, correct, firm, honest)
2
perseverant
2
persisting
2
pious(spiritual, devoted, religious)
2
positive(good, strong, solid, intense)
2
ruthless
2
serious(strong, firm, sensible, determined)
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APASmart Define. (2015). staunch thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/staunch/thesaurus/synonyms
ChicagoSmart Define. 2015. "staunch thesaurus" https://smartdefine.org/staunch/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, staunch thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/staunch/thesaurus/synonyms>.
MLASmart Define. "staunch thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/staunch/thesaurus/synonyms>