2
true(adjective, strong, flat, firm, certain)
2
unalterable(adjective, strong, certain, definite, resolved)
2
unchangeable(adjective, set, clear, strong, flat)
2
unchanging(adjective, set, clear, strong, firm)
2
undeviating(adjective, strong, firm, solid, certain)
2
unflappable
2
unquestioning(adjective, set, clear, firm, solid)
2
untroubled
2
unweakened
2
unwithered
1
apathetic
1
brave
1
certain(adjective, set, clear, firm, solid)
1
changeless(adjective, set, clear, firm, solid)
1
coolheaded
1
dauntless
1
dead set on(expression, idiom, strong, firm, solid)
1
decisive
1
dedicated
1
definite(clear, strong, firm, certain, unyielding)
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APASmart Define. (2015). unshaken thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unshaken/thesaurus/synonyms
ChicagoSmart Define. 2015. "unshaken thesaurus" https://smartdefine.org/unshaken/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unshaken thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unshaken/thesaurus/synonyms>.
MLASmart Define. "unshaken thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unshaken/thesaurus/synonyms>