1
inflexible
1
inflexibly
1
intensely(adverb, severely)
1
intently(adverb, seriously, vigorously, earnestly, actively)
1
intolerantly(adverb, severely)
1
intransigently
1
leanly(adverb, severely)
1
matter-of-factly(adverb, severely)
1
meticulously(adverb, severely)
1
mordantly
1
not humorously(expression, adverb, seriously, vigorously, earnestly)
1
obdurately
1
oppressively(adverb, severely)
1
passionately(adverb, down, severely, seriously, vigorously)
1
piquantly(adverb, severely)
1
precisely(adverb, severely)
1
purposefully(adverb, down, seriously, vigorously, earnestly)
1
rawly(adverb, severely)
1
relentlessly
1
resolutely(adverb, down, seriously, vigorously, earnestly)
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APASmart Define. (2015). sternly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sternly/thesaurus/synonyms
ChicagoSmart Define. 2015. "sternly thesaurus" https://smartdefine.org/sternly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, sternly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sternly/thesaurus/synonyms>.
MLASmart Define. "sternly thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/sternly/thesaurus/synonyms>