2
stubbornly(adverb, resolutely, tenaciously)
2
sturdily
2
tirelessly(adverb, resolutely, tenaciously)
2
toughly(adverb, resolutely, tenaciously)
2
truely
2
trustily(adverb, unwaveringly)
2
unfailingly(adverb, faithfully)
2
with devotion(expression, adverb, very, really, exactly)
1
absolutely(adverb, very, really, exactly, certainly)
1
authentically(adverb, absolutely, very, really, exactly)
1
bec et ongles(expression, idiom)
1
beyond doubt(expression, adverb, absolutely, very, really)
1
beyond question(expression, adverb, very, really, exactly)
1
bona fide
1
bravely(adverb, tenaciously)
1
committedly
1
deafeningly
1
deliberately(adverb, resolutely)
1
doubtlessly
1
durably
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APASmart Define. (2015). staunchly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/staunchly/thesaurus/synonyms
ChicagoSmart Define. 2015. "staunchly thesaurus" https://smartdefine.org/staunchly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, staunchly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/staunchly/thesaurus/synonyms>.
MLASmart Define. "staunchly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/staunchly/thesaurus/synonyms>