116 entries under severe topic. ×

1
unappeasable(adjective, mean, harsh, cruel)
1
uncalled-for(adjective, mean, harsh, cruel)
1
unflinching(adjective, mean, harsh, cruel)
1
unpitying(adjective, mean, harsh, cruel)
1
unpleasant(adjective, tough, harsh, cruel)
1
wanton(adjective, mean, harsh, cruel)
0
acrimonious(adjective, tough, harsh, grim)
0
antagonistic(adjective, tough, harsh, grim)
0
bestial(adjective, harsh, cruel, monstrous)
0
bleak(adjective, tough, harsh, cruel)
0
bloodthirsty(adjective, harsh, cruel, pitiless)
0
coldblooded(grim, bleak)
0
coldhearted(adjective, harsh, cruel, monstrous)
0
dead set(expression, tough, firm, harsh)
0
disagreeable(adjective, tough, harsh, grim)
0
dog eat dog(expression, idiom, mean, heartless)
0
draconian(tough, firm, harsh, stern)
0
hard as nails(expression, adjective, idiom, tough)
0
hostile(adjective, tough, harsh, grim)
0
intolerable(adjective, tough, harsh, grim)
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APASmart Define. (2016). unsparing thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsparing/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsparing thesaurus" https://smartdefine.org/unsparing/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unsparing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsparing/thesaurus/synonyms>.
MLASmart Define. "unsparing thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unsparing/thesaurus/synonyms>