123 entries under callous topic. ×

1
mortal(adjective, mean, severe, harsh, cruel)
1
obtuse(adjective, obscure, difficult, indifferent, unfeeling)
1
perfidious(adjective, evil, rough, nasty, rude)
1
pesky(adjective, tough, evil, rough, nasty)
1
revengeful(adjective, mean, evil, nasty, harsh)
1
rotten(adjective, evil, rough, nasty, rude)
1
scurrilous(adjective, evil, rough, nasty, rude)
1
sinking(adjective, evil, rough, nasty, rude)
1
snide(adjective, evil, rough, nasty, rude)
1
touch(adjective, evil, rough, nasty, rude)
1
treacherous(adjective, evil, rough, nasty, rude)
1
unashamed(adjective, unfeeling, unsympathetic, hardened)
1
unscrupulous(adjective, evil, rough, nasty, rude)
1
unsusceptible(adjective, careless, indifferent, cruel, apathetic)
1
vile(adjective, mean, evil, rough, nasty)
1
without pity(expression, adjective, mean, harsh, cruel)
0
casehardened(adjective, unfeeling, unsympathetic, hardened)
0
hard-as-nails(adjective, unfeeling, unsympathetic, hardened)
0
incurious(adjective, indifferent, unkind, unresponsive, insensitive)
0
ironfisted(adjective, mean, harsh, cruel, vicious)
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APASmart Define. (2016). hard thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hard/thesaurus/synonyms
ChicagoSmart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, hard thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>.
MLASmart Define. "hard thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms>