320 entries under adjective topic. ×

9
dangerous(bad, heavy, foul, harmful)
9
injurious(cruel, unkind, distressing, adverse)
9
detrimental(bad, evil, cruel, unkind)
9
murderous
9
appalling(awful, terrible, horrible, afraid)
9
devastating(bad, evil, destruction, grim)
9
disastrous(sad, painful, suffering, dreadful)
9
dreadful(awful, terrible, horrible, afraid)
9
ruinous(bad, destruction, painful, suffering)
8
bloodthirsty
8
catastrophic(sad, awful, painful, suffering)
8
ferocious(awful, terrible, horrible, afraid)
8
savage
8
tedious(dull, dry, boring, dreary)
8
vicious(awful, terrible, horrible, afraid)
7
pestilential(help, bad, evil, harmful)
7
tragic(bad, awful, terrible, horrible)
7
awful(terrible, horrible, afraid)
7
calamitous(sad, painful, suffering, dreadful)
7
cruel(awful, terrible, horrible, afraid)
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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>