95 entries under grim topic. ×

3
hard-hearted(adjective, person, hard, tough, harsh)
3
serious(adjective, close, strong, hard, tough)
3
steely(adjective, strong, hard, tough, severe)
3
stiff(adjective, hard, cool, severe, harsh)
3
unfeeling(adjective, person, close, hard, cool)
3
unforgiving(adjective, person, hard, tough, harsh)
2
flinty(adjective, close, strong, hard, tough)
2
forlorn(thin, lean, bleak, skinny)
2
frowning(adjective, strong, hard, tough, severe)
2
inexorable(adjective, close, appearance, strong, hard)
2
merciless(adjective, person, appearance, hard, tough)
2
obdurate(adjective, person, close, strong, hard)
2
pitiless(adjective, close, hard, tough, severe)
2
relentless(adjective, appearance, strong, hard, tough)
2
savage(adjective, hard, tough, harsh, cruel)
2
somber(appearance, severe, terrible, serious)
2
unrelenting(adjective, close, appearance, strong, hard)
2
unyielding(adjective, appearance, strong, hard, tough)
1
astringent(adjective, close, strong, hard, tough)
1
avaricious(adjective, hard, tough, harsh, cruel)
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APASmart Define. (2016). forbidding thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/forbidding/thesaurus/synonyms
ChicagoSmart Define. 2016. "forbidding thesaurus" https://smartdefine.org/forbidding/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, forbidding thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/forbidding/thesaurus/synonyms>.
MLASmart Define. "forbidding thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/forbidding/thesaurus/synonyms>