Synonyms|220Antonyms|66|Broader|0Narrower|0Related|121
1
faithfully(adverb, tenaciously)
1
fervently(adverb, tenaciously)
1
fixedly(adverb, severely, thoroughly, strongly, firmly)
1
forcefully
1
formally
1
gracelessly
1
grimly
1
hardheadedly
1
headily
1
heartily(adverb, tenaciously)
1
hermetically(adverb, tightly)
1
immovably(adverb, inelastically)
1
impishly
1
inclemently
1
indefatigably(adverb, tenaciously)
1
indomitably(adverb, tenaciously)
1
inelastically(adverb, inelastically)
1
inelegantly
1
inexorably
1
intractably
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APASmart Define. (2015). stiffly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/stiffly/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiffly thesaurus" https://smartdefine.org/stiffly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, stiffly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/stiffly/thesaurus/synonyms>.
MLASmart Define. "stiffly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/stiffly/thesaurus/synonyms>