3
relentlessly(adverb, resolutely)
3
solidly(adverb, fully, powerfully, firmly, definitely)
3
soundly
3
unswervingly
3
unwaveringly(adverb, resolutely, determinedly, obstinately, stubbornly)
2
boldly(adverb, resolutely, tenaciously)
2
confirmedly(adverb, absolutely, very, really, exactly)
2
courageously(adverb, resolutely, tenaciously)
2
dauntlessly(adverb, resolutely, tenaciously)
2
diligently(adverb, resolutely, tenaciously)
2
doggedly(adverb, resolutely, tenaciously)
2
factually(adverb, absolutely, very, really, exactly)
2
fast
2
indefatigably(adverb, resolutely, tenaciously)
2
indomitably(adverb, resolutely, tenaciously)
2
pluckily(adverb, resolutely, tenaciously)
2
reliably(adverb, absolutely, very, really, exactly)
2
robustly
2
stanchly
2
stoutly
11 years ago|3.1k views|share |citing 
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>