3
dead(adjective, killing)
3
death-dealing(adjective, deadly)
3
deciduous
3
desperate(adjective, awful, terrible, horrible, afraid)
3
deuced(adjective, awful, terrible, horrible, afraid)
3
direful(adjective, awful, terrible, horrible, afraid)
3
doggone(adjective, awful, terrible, horrible, afraid)
3
dread(adjective, awful, terrible, horrible, afraid)
3
dreaded(adjective, awful, terrible, horrible, afraid)
3
dull
3
earthborn
3
execrable(adjective, awful, terrible, horrible, afraid)
3
fearful(adjective, awful, terrible, horrible, afraid)
3
feral(adjective, mean, severe, harsh, cruel)
3
final(adjective, property)
3
flagitious(adjective, awful, terrible, horrible, afraid)
3
flagrant(adjective, awful, terrible, horrible, afraid)
3
flickering(adjective, transient)
3
fly-by-night
3
frightening(adjective, awful, terrible, horrible, afraid)
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APASmart Define. (2016). mortal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/mortal/thesaurus/synonyms
ChicagoSmart Define. 2016. "mortal thesaurus" https://smartdefine.org/mortal/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, mortal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/mortal/thesaurus/synonyms>.
MLASmart Define. "mortal thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/mortal/thesaurus/synonyms>