320 entries under severe topic. ×

8
bare(adjective, simple, true, dry)
8
bleak(adjective, sharp, flat, rough)
8
close(adjective, adverb, strong, tough, correct)
8
determined(adjective, strong, tough, harsh)
8
grueling(adjective, difficult, harsh, heavy)
8
hard-boiled(adjective, mean, strong, sound, tough)
8
remorseless(adjective, mean, harsh, cruel)
8
thick-skinned(adjective, mean, tough, careless)
8
unbreakable(adjective, strong, firm, harsh)
8
uncaring(adjective, person, mean, cool, tough)
7
set(adjective, mean, strong, tough)
7
bad(adjective, mean, harsh, unpleasant)
7
blunt(adjective, tough, harsh, plain)
7
cold-hearted(adjective, person, tough, attitude)
7
insensible(adjective, strong, tough, careless)
7
intemperate(adjective, correct, rough, difficult)
7
raw(adjective, harsh, tender, rude)
7
stark(adjective, sharp, firm, attitude)
7
unemotional(adjective, mean, cool, tough)
6
acrimonious(adjective, mean, love, attitude)
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APASmart Define. (2016). hard thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hard/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, hard thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>.
MLASmart Define. "hard thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms>