8
devotedly(adverb, absolutely, very, really, exactly)
8
faithfully(adverb, resolutely, tenaciously)
8
steadfastly(adverb, resolutely, tenaciously, determinedly, obstinately)
7
resolutely(adverb, resolutely, tenaciously)
6
decisively(adverb, firmly, definitely, strictly, resolutely)
6
loyally(adverb, resolutely)
5
determinedly(adverb, resolutely, tenaciously)
5
firmly
5
steadily(adverb, resolutely)
5
strongly(adverb, tenaciously)
5
tenaciously(adverb, resolutely, tenaciously)
5
truly(adverb, really, firmly, sincerely, faithfully)
4
constantly
4
heartily(adverb, resolutely, tenaciously)
4
persistently(adverb, resolutely, tenaciously)
4
stalwartly
3
consistently
3
decidedly(adverb, resolutely)
3
fixedly(adverb, firmly, definitely, obstinately, stubbornly)
3
obstinately(adverb, tenaciously)
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APASmart Define. (2015). staunchly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/staunchly/thesaurus/synonyms
ChicagoSmart Define. 2015. "staunchly thesaurus" https://smartdefine.org/staunchly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, staunchly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/staunchly/thesaurus/synonyms>.
MLASmart Define. "staunchly thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/staunchly/thesaurus/synonyms>