250 entries under adjective topic. ×

1
soulless(mean, hard, harsh, careless)
1
spiritless(hard, careless, indifferent, cruel)
1
stiff(hard, careless, indifferent, cruel)
1
tactless(hard, indifferent, unsympathetic, unkind)
1
torpid(hard, careless, indifferent, cruel)
1
toughened(hard, careless, indifferent, cruel)
1
unaffected(hard, careless, indifferent, cruel)
1
unappealing
1
unappeasable(mean, severe, harsh, cruel)
1
unashamed(hard, unfeeling, unsympathetic, hardened)
1
unbending(hard, careless, indifferent, cruel)
1
uncalled-for(mean, severe, harsh, cruel)
1
unflinching(mean, severe, harsh, cruel)
1
unimpressionable(hard, careless, indifferent, cruel)
1
unlikable
1
unlikeable
1
unreceptive
1
unrelenting(mean, severe, harsh, cruel)
1
unrepenting(hard, unfeeling, unsympathetic, hardened)
1
unsparing(mean, severe, harsh, cruel)
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APASmart Define. (2016). hardhearted thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hardhearted/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardhearted thesaurus" https://smartdefine.org/hardhearted/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, hardhearted thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hardhearted/thesaurus/synonyms>.
MLASmart Define. "hardhearted thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/hardhearted/thesaurus/synonyms>