8
steadfastly(adverb, resolutely, determinedly, obstinately, stubbornly)
7
firmly
4
firm
4
invariably
4
resolutely
4
staunchly(adverb, resolutely, determinedly, obstinately, stubbornly)
3
faithfully
3
unshakably
2
constantly
2
doggedly
2
hard
2
immovably
2
permanently
2
persistently
2
solidly(adverb, definitely, resolutely, inflexibly)
2
steadily(adverb, firmly)
2
unfalteringly
2
unswervingly
1
changelessly
1
crisply
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APASmart Define. (2015). unwaveringly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unwaveringly/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwaveringly thesaurus" https://smartdefine.org/unwaveringly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unwaveringly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unwaveringly/thesaurus/synonyms>.
MLASmart Define. "unwaveringly thesaurus" 19 November 2015. Web. 20 September 2026. <https://smartdefine.org/unwaveringly/thesaurus/synonyms>