2
unfortunately(adverb, misfortune)
1
accidentally(adverb, accidentally)
1
achromatically
1
acutely
1
adventitiously(adverb, accidentally)
1
afterwards
1
aimlessly(adverb, accidentally)
1
before long
1
blackly
1
bleakly
1
by and by(expression, idiom)
1
cataclysmal(adverb, misfortune)
1
cataclysmically(adverb, misfortune)
1
causelessly(adverb, accidentally)
1
damningly(adverb, misfortune)
1
darkly
1
deathly
1
decisively
1
destiny
1
dimly
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APASmart Define. (2015). fatally thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fatally/thesaurus/synonyms
ChicagoSmart Define. 2015. "fatally thesaurus" https://smartdefine.org/fatally/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fatally thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fatally/thesaurus/synonyms>.
MLASmart Define. "fatally thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/fatally/thesaurus/synonyms>