92 entries under grim topic. ×

2
hard-shell(adjective, strong, hard, tough, severe)
2
hostile(adjective, tough, severe, harsh)
2
inhuman(adjective, hard, tough, harsh, cruel)
2
intolerable(adjective, tough, severe, harsh, heavy)
2
intolerant(adjective, hard, tough, severe, firm)
2
merciless(adjective, hard, tough, difficult, harsh)
2
rancorous(adjective, tough, harsh, painful)
2
savage(adjective, hard, tough, harsh, unpleasant)
2
stiff-necked(adjective, strong, hard, tough, severe)
2
unfeeling(adjective, tough, severe, harsh, cruel)
2
unkind(adjective, tough, harsh, painful)
2
unsympathetic(adjective, tough, severe, harsh)
1
avaricious(adjective, hard, tough, harsh, cruel)
1
barbarous(adjective, hard, tough, harsh, cruel)
1
bloody(adjective, hard, tough, harsh, cruel)
1
callous(adjective, hard, tough, harsh)
1
disagreeable(adjective, tough, severe, harsh, unpleasant)
1
distressing(adjective, tough, severe, rough, difficult)
1
forbidding(adjective, strong, hard, tough, severe)
1
frowning(adjective, strong, hard, tough, severe)
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APASmart Define. (2016). rigorous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rigorous/thesaurus/synonyms
ChicagoSmart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, rigorous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rigorous/thesaurus/synonyms>.
MLASmart Define. "rigorous thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/rigorous/thesaurus/synonyms>