30 entries under tenaciously topic. ×

7
faithfully(adverb, absolutely, really, completely, directly)
5
decisively(adverb, really, exactly, positively, certainly)
5
staunchly(adverb, really, firmly, sincerely, faithfully)
4
devotedly(adverb, really, firmly, sincerely, faithfully)
4
heartily(adverb, resolutely)
2
boldly(adverb, resolutely)
2
courageously(adverb, resolutely)
2
dauntlessly(adverb, resolutely)
2
determinedly(adverb, resolutely)
2
diligently(adverb, resolutely)
2
doggedly(adverb, resolutely)
2
fervently
2
indefatigably(adverb, resolutely)
2
indomitably(adverb, resolutely)
2
persistently(adverb, resolutely)
2
pluckily(adverb, resolutely)
2
resolutely(adverb, resolutely)
2
steadfastly
2
stubbornly(adverb, resolutely)
2
tenaciously(adverb, resolutely)
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APASmart Define. (2016). truly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/truly/thesaurus/synonyms
ChicagoSmart Define. 2016. "truly thesaurus" https://smartdefine.org/truly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, truly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/truly/thesaurus/synonyms>.
MLASmart Define. "truly thesaurus" 11 March 2016. Web. 26 September 2026. <https://smartdefine.org/truly/thesaurus/synonyms>