403 entries under adjective topic. ×

2
sinewy(strong, sound, tough, fit)
2
stern(firm, resolute, unyielding)
2
stout-hearted(vigorous, noble, courageous, virile)
2
strong-minded
2
thorough
2
unalterable(calm, strong, hard, solid)
2
unbendable
2
unconquerable
2
unshrinking
2
unstoppable
2
unvarying(calm, strong, secure, firm)
2
unwearied(strong, firm, determined, steady)
2
well-founded(calm, strong, sound, secure)
1
abiding(calm, strong, secure, flat)
1
able(strong, sound, tough, fit)
1
active(strong, sound, tough, fit)
1
adherent(kind, firm, true, caring)
1
adjusted(strong, solid, stable, sure)
1
affectionate(close, kind, correct, firm)
1
anchored(calm, strong, secure, firm)
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APASmart Define. (2015). staunch thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/staunch/thesaurus/synonyms
ChicagoSmart Define. 2015. "staunch thesaurus" https://smartdefine.org/staunch/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, staunch thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/staunch/thesaurus/synonyms>.
MLASmart Define. "staunch thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/staunch/thesaurus/synonyms>