Synonyms|220Antonyms|66|Broader|0Narrower|0Related|121
1
soundly(adverb, well, severely, thoroughly, strongly)
1
stably(adverb, well, severely, thoroughly, strongly)
1
starchily
1
staunchly(adverb, tenaciously)
1
steeply
1
stoutly
1
strenuously
1
tirelessly(adverb, tenaciously)
1
truly(adverb, tenaciously)
1
unalterably(adverb, inelastically)
1
unbendingly
1
undauntedly(adverb, tenaciously)
1
unflaggingly(adverb, tenaciously)
1
unflinchingly(adverb, well, severely, thoroughly, strongly)
1
unshakeably(adverb, well, severely, thoroughly, strongly)
1
wirily
1
with difficulty(expression, idiom)
1
woodenly
0
abound
0
agonistically
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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>