Synonyms|166Antonyms|26|Broader|0Narrower|0Related|188
5
lethally
5
mortally(adverb, dangerously)
4
destructively(adverb, misfortune)
4
disastrously(adverb, misfortune)
4
fatefully(adverb, misfortune)
4
ruinously(adverb, misfortune)
4
terminally
3
calamitously(adverb, misfortune)
3
catastrophically(adverb, misfortune)
3
severely
2
anon
2
balefully
2
banefully
2
critically
2
dangerously
2
deadly
2
gravely
2
murderously
2
perniciously
2
pestilently
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APASmart Define. (2015). fatally thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fatally/thesaurus/synonyms
ChicagoSmart Define. 2015. "fatally thesaurus" https://smartdefine.org/fatally/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, fatally thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fatally/thesaurus/synonyms>.
MLASmart Define. "fatally thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/fatally/thesaurus/synonyms>