2
accurate
2
acerb
2
acerbic
2
acid
2
cancerous(adjective, harmful, injurious, damaging, fatal)
2
capital
2
cold-blooded
2
completely
2
consumptive(adjective, harmful, injurious, damaging, fatal)
2
corpselike(adjective, boring, tedious, gaunt, skeletal)
2
corrupt
2
devilishly
2
disadvantageous(cruel, unkind, distressing, upsetting, harmful)
2
distressing(cruel, unkind, upsetting, harmful, damaging)
2
envenomed
2
excruciating
2
fell(adjective, unpleasant, heavy, grim, acute)
2
fierce
2
flat(adjective, dry, boring, tedious, monotonous)
2
grim(adjective, fatal, poisonous, lethal)
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APASmart Define. (2016). deadly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/deadly/thesaurus/synonyms
ChicagoSmart Define. 2016. "deadly thesaurus" https://smartdefine.org/deadly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, deadly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/deadly/thesaurus/synonyms>.
MLASmart Define. "deadly thesaurus" 26 March 2016. Web. 22 September 2026. <https://smartdefine.org/deadly/thesaurus/synonyms>