Synonyms|842Antonyms|195|Broader|5Narrower|0Related|597
4
unswervingly
2
abidingly
2
approximately(adverb, hard, thoroughly, closely, carefully)
2
assertively
2
authentically(absolutely, very, really, exactly, truly)
2
bec et ongles(expression, idiom)
2
beyond doubt(expression, absolutely, very, really, exactly)
2
beyond question(expression, absolutely, very, really, exactly)
2
boldly(adverb, quickly, earnestly, strongly, totally)
2
bona fide
2
borne
2
bravely(adverb, resolutely, determinedly, courageously, stoutly)
2
brawnily(adverb, strongly)
2
callously(adverb, rigidly)
2
certainly
2
changelessly
2
confidently(adverb, definitely, resolutely, inflexibly)
2
energetic
2
forcefully
2
harshly
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ChicagoSmart Define. 2015. "firmly thesaurus" https://smartdefine.org/firmly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, firmly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/firmly/thesaurus/synonyms>.
MLASmart Define. "firmly thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/firmly/thesaurus/synonyms>