91 entries under heartless topic. ×

1
deaf to(expression, adjective, hard, careless, indifferent)
1
exacting(adjective, hard, tough, severe, cruel)
1
feelingless(adjective, hard, tough, severe, indifferent)
1
hard as nails(expression, adjective, idiom, set, strong)
1
icy(adjective, hard, tough, severe, cruel)
1
imperturbable(adjective, cool, cold, cruel, blank)
1
inanimate(adjective, hard, tough, severe, cruel)
1
incurious(adjective, hard, indifferent, unsympathetic, unkind)
1
inhuman(adjective, hard, tough, severe, harsh)
1
insentient(adjective, hard, careless, indifferent, cruel)
1
iron-hearted(adjective, hard, tough, severe, cruel)
1
matter-of-fact(adjective, cool, cold, cruel, blank)
1
pitiless(adjective, hard, tough, severe, harsh)
1
savage(adjective, hard, tough, harsh, cold)
1
sensationless(adjective, hard, tough, severe, cruel)
1
senseless(adjective, hard, tough, severe, cruel)
1
soulless(adjective, hard, careless, indifferent, cruel)
1
spiritless(adjective, hard, cool, careless, indifferent)
1
surly(adjective, hard, tough, severe, cruel)
1
tactless(adjective, hard, indifferent, unsympathetic, unkind)
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APASmart Define. (2016). hardened thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hardened/thesaurus/synonyms
ChicagoSmart Define. 2016. "hardened thesaurus" https://smartdefine.org/hardened/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, hardened thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hardened/thesaurus/synonyms>.
MLASmart Define. "hardened thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/hardened/thesaurus/synonyms>