10
horrific(adjective, bad, nasty, awful, terrible)
10
iron(adjective, tough, firm, resist, determined)
10
joyless(adjective, dull, sad, harsh, unhappy)
10
malevolent(adjective, person, mean, harsh, violent)
10
mean(adjective, animal, person, severe, sad)
10
morbid(adjective, dull, bad, nasty, sad)
10
remorseless(adjective, animal, mean, tough, harsh)
10
repulsive(adjective, bad, offensive, unpleasant, awful)
10
stark(adjective, severe, attitude, hot, bare)
10
unhappy(adjective, person, dull, blue, low)
9
woebegone(adjective, person, dull, blue, low)
9
cool(adjective, person, severe, unwarmhearted)
9
creepy(adjective, terrible, dirty, black, badly)
9
desolate(adjective, person, dull, blue, sad)
9
dispiriting(adjective, dull, unhappy, dark, gloomy)
9
earnest(adjective, dull, quiet, severe, dark)
9
eerie(adjective, unpleasant, sorrow, awful, terrible)
9
fearful(adjective, pain, dark, unpleasant, awful)
9
ferocious(adjective, animal, appearance, mean, harsh)
9
fierce(adjective, animal, appearance, mean, hard)
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APASmart Define. (2016). grim thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/grim/thesaurus/synonyms
ChicagoSmart Define. 2016. "grim thesaurus" https://smartdefine.org/grim/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, grim thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/grim/thesaurus/synonyms>.
MLASmart Define. "grim thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/grim/thesaurus/synonyms>