Synonyms|842Antonyms|195|Broader|5Narrower|0Related|597
1
rightly(absolutely, very, really, exactly, truly)
1
roughly(adverb, fast, badly, severely, intensely)
1
ruggedly
1
searchingly(adverb, hard, thoroughly, closely, carefully)
1
similarly(adverb, hard, thoroughly, closely, carefully)
1
singlemindedly
1
solidified
1
solidifying
1
stable(adjective, firm)
1
stanchly
1
statically
1
strong
1
swiftly
1
thick
1
thickly
1
thoroughly(adverb, flat, severely, completely, strongly)
1
tooth and nail(expression, idiom)
1
truthfully(absolutely, very, really, exactly, truly)
1
unassailably
1
unbendingly
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APASmart Define. (2015). firmly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/firmly/thesaurus/synonyms
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>