75 entries under dedicated topic. ×

10
rigid(adjective, complete, total, intense, determined)
10
stubborn(adjective, strong, tough, firm, intense)
9
immovable(adjective, firm, solid, intense, determined)
9
tenacious(adjective, strong, firm, determined, steady)
7
dependable(adjective, close, correct, firm, honest)
7
obdurate(adjective, strong, tough, firm, determined)
7
scrupulous(adjective, close, complete, correct, firm)
6
relentless(adjective, strong, tough, firm, intense)
6
reliable(adjective, close, correct, firm, honest)
6
stable(adjective, firm, solid, fixed, resolute)
6
strict(adjective, close, correct, honest, pure)
6
undistorted(adjective, close, smooth, correct, solid)
5
adamant(adjective, strong, tough, firm, determined)
5
allegiant(adjective, close, correct, firm, honest)
5
ardent(adjective, close, correct, firm, honest)
5
fixed(adjective, complete, firm, total, solid)
5
inexorable(adjective, intense, determined, resolute, persistent)
5
single-minded(adjective, firm, sensible, solid, intense)
5
sure(adjective, close, set, strong, tough)
5
trusty(adjective, close, correct, firm, honest)
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APASmart Define. (2015). unswerving thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unswerving/thesaurus/synonyms
ChicagoSmart Define. 2015. "unswerving thesaurus" https://smartdefine.org/unswerving/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unswerving thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unswerving/thesaurus/synonyms>.
MLASmart Define. "unswerving thesaurus" 21 December 2015. Web. 26 September 2026. <https://smartdefine.org/unswerving/thesaurus/synonyms>