44 entries under severely topic. ×

14
gravely(adverb, badly, completely, poorly)
9
intensely(adverb, fast, badly, thoroughly)
4
acutely(adverb, badly, thoroughly, completely)
4
heavily(adverb, fast, sprightly, intensely)
3
actively(adverb, fast, sprightly, intensely)
3
hard(adverb, fast, badly, intensely)
3
passionately(adverb, thoroughly, completely, extremely)
3
sadly(adverb, thoroughly, completely, affirmation)
2
firmly(adverb, fast, badly, intensely)
2
furiously(adverb, fast, sprightly, intensely)
2
relentlessly(adverb, fast, sprightly, intensely)
2
sternly(adverb, badly, actively, truly)
2
strongly(adverb, fast, sprightly, intensely)
1
affectingly(adverb, thoroughly, completely, intensely)
1
angrily(adverb, fast, sprightly, intensely)
1
boisterously(adverb, fast, sprightly, intensely)
1
brutally(adverb, fast, sprightly, intensely)
1
completely(adverb, really, thoroughly, intensely)
1
cruelly(adverb, fast, sprightly, intensely)
1
distressingly(adverb, badly, thoroughly, completely)
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APASmart Define. (2016). seriously thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/seriously/thesaurus/synonyms
ChicagoSmart Define. 2016. "seriously thesaurus" https://smartdefine.org/seriously/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, seriously thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/seriously/thesaurus/synonyms>.
MLASmart Define. "seriously thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/seriously/thesaurus/synonyms>