80 entries under determined topic. ×

10
tireless(adjective, set, strong, firm)
10
dogged(adjective, strong, tough, firm, solid)
10
indefatigable(adjective, set, strong, firm)
10
rigid(adjective, complete, total, intense)
10
stubborn(adjective, strong, tough, firm, intense)
9
immovable(adjective, firm, solid, intense)
9
tenacious(adjective, strong, firm, steady)
8
undaunted
8
unshakeable(adjective, resolute, uncompromising)
7
intransigent(adjective, resolute, uncompromising, unshakeable)
7
obdurate(adjective, strong, tough, firm)
7
sturdy(adjective, strong, tough, firm, solid)
7
uncompromising(adjective, resolute, unshakeable)
7
unfailing(adjective, set, strong, firm)
7
unrelenting(adjective, resolute, perseverance, uncompromising)
6
pertinacious(adjective, strong, tough, firm)
6
relentless(adjective, strong, tough, firm, intense)
6
resolved(adjective, resolute, uncompromising, unshakeable)
5
adamant(adjective, strong, tough, firm)
5
inexorable(adjective, intense, resolute, persistent)
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APASmart Define. (2015). unswerving thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unswerving/thesaurus/synonyms
ChicagoSmart Define. 2015. "unswerving thesaurus" https://smartdefine.org/unswerving/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unswerving thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unswerving/thesaurus/synonyms>.
MLASmart Define. "unswerving thesaurus" 21 December 2015. Web. 28 September 2026. <https://smartdefine.org/unswerving/thesaurus/synonyms>