3
atrocious(adjective, awful, terrible, horrible, afraid)
3
awfully
3
barbaric
3
beastly(adjective, awful, terrible, horrible, afraid)
3
blatant(adjective, awful, terrible, horrible, afraid)
3
caustic
3
chronic(adjective, awful, terrible, horrible, afraid)
3
corrosive
3
crashing(adjective, awful, terrible, horrible, afraid)
3
crazily
3
damnable(adjective, awful, terrible, horrible, afraid)
3
darn(adjective, awful, terrible, horrible, afraid)
3
destroying(destruction, inexpedience)
3
deuced(adjective, awful, terrible, horrible, afraid)
3
doggone(adjective, awful, terrible, horrible, afraid)
3
dreaded(adjective, awful, terrible, horrible, afraid)
3
eerie
3
enormous(adjective, awful, terrible, horrible, afraid)
3
flagitious(adjective, awful, terrible, horrible, afraid)
3
grizzly(adjective, awful, terrible, horrible, afraid)
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APASmart Define. (2016). deadly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deadly/thesaurus/synonyms
ChicagoSmart Define. 2016. "deadly thesaurus" https://smartdefine.org/deadly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, deadly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deadly/thesaurus/synonyms>.
MLASmart Define. "deadly thesaurus" 26 March 2016. Web. 23 September 2026. <https://smartdefine.org/deadly/thesaurus/synonyms>