124 entries under determined topic. ×

12
solid(adjective, calm, good, strong, sound)
12
sturdy(adjective, calm, strong, sound, tough)
12
tireless(adjective, strong, firm, steady)
12
tough(adjective, calm, clear, strong, sound)
11
brave(adjective, health, vigorous, noble)
11
indefatigable(adjective, strong, tough, fit, firm)
11
stubborn(adjective, characteristic, quality, strong, tough)
11
unflagging(adjective, strong, tough, fit, firm)
10
courageous(adjective, firm, vigorous, noble)
10
fixed(adjective, strong, sound, tough, flat)
10
resolved(adjective, strong, firm, certain)
10
stable(adjective, good, strong, sound, tough)
10
sure(adjective, calm, good, close, strong)
10
undeviating(adjective, strong, solid, intense, deliberate)
10
unflinching(adjective, strong, flat, firm, certain)
9
dauntless(adjective, vigorous, noble, resolute)
9
inflexible(adjective, strong, tough, flat, firm)
9
obstinate(adjective, strong, tough, firm, intense)
9
persevering(adjective, strong, tough, flat, firm)
9
unfailing(adjective, good, strong, firm, honest)
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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>