216 entries under severe topic. ×

8
surly(adjective, appearance, mean, harsh)
8
unkind(adjective, animal, person, mean, hard)
8
wicked(adjective, harsh, terrible, cruel)
7
frowning(adjective, dull, strong, hard, tough)
7
gruff(adjective, sorrow, depress, sadness)
7
obstinate(adjective, determined, resolute, sullen)
7
strict(adjective, strong, hard, tough)
7
tough(adjective, strong, hard, firm)
6
antagonistic(adjective, person, tough, harsh)
6
astringent(adjective, strong, hard, tough)
6
barbarous(adjective, animal, appearance, mean, hard)
6
demanding(adjective, tough, difficult, harsh)
6
difficult(adjective, tough, harsh, unhappy)
6
exacting(adjective, tough, firm, harsh)
6
firm(adjective, strong, hard, tough)
6
formidable(adjective, appearance, bad, awful)
6
heartless(adjective, mean, harsh, violent)
6
hostile(adjective, tough, harsh, dark)
6
long-faced(adjective, dull, quiet, sad)
6
rigorous(adjective, strong, hard, tough)
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APASmart Define. (2016). grim thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/grim/thesaurus/synonyms
ChicagoSmart Define. 2016. "grim thesaurus" https://smartdefine.org/grim/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, grim thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/grim/thesaurus/synonyms>.
MLASmart Define. "grim thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/grim/thesaurus/synonyms>