114 entries under severely topic. ×

3
keenly(adverb, fast, sprightly, seriously)
3
painfully(adverb, fast, sprightly, seriously)
2
anxiously(adverb, thoroughly, fully, precisely)
2
briskly(adverb, fast, seriously, intensely)
2
brutally(adverb, fast, sprightly, seriously)
2
critically(adverb, fastidiously)
2
cruelly(adverb, fast, sprightly, seriously)
2
delicately(adverb, thoroughly, fully, precisely)
2
fastidiously(adverb, thoroughly, fully, precisely)
2
fiercely(adverb, fast, sprightly, seriously)
2
furiously(adverb, fast, sprightly, seriously)
2
gruffly
2
like fury(expression, adverb, fast, sprightly)
2
madly(adverb, fast, sprightly, seriously)
2
meanly(adverb, fast, sprightly, seriously)
2
oppressively
2
roughly(adverb, fast, sprightly, seriously)
2
violently(adverb, fast, sprightly, seriously)
2
wildly(adverb, fast, sprightly, seriously)
1
abruptly
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APASmart Define. (2015). rigorously thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/rigorously/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigorously thesaurus" https://smartdefine.org/rigorously/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, rigorously thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/rigorously/thesaurus/synonyms>.
MLASmart Define. "rigorously thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/rigorously/thesaurus/synonyms>