48 entries under hard-hearted topic. ×

1
aloof(adjective, unfeeling, single, higher, unassertive)
1
coldhearted(adjective, unfeeling, callous, disciplined)
1
hard(adjective, reasonable, sensible, sober, stiff)
1
hard as nails(expression, adjective, idiom, tough, serious)
1
laid back(expression, adjective, indifferent, detached, distant)
1
obdurate(adjective, tough, stiff, unfeeling, dogged)
1
on ice(expression, adjective, serious, resolute, persistent)
1
putting on airs(expression, adjective, idiom, indifferent, detached)
1
set in stone(expression, adjective, idiom, firm, determined)
1
steely(adjective, stiff, brutal, obdurate)
1
stiff(adjective, careless, cruel, apathetic)
1
stuck up(expression, adjective, indifferent, detached, distant)
1
unimpressible(adjective, stiff, unfeeling, rigid, callous)
0
anesthetized(adjective, unfeeling, nowhere, obdurate)
0
apart(adjective, indifferent, detached, distant, remote)
0
bullhead(adjective, stiff, unfeeling, rigid, dogged)
0
coldblooded(adjective, unfeeling, callous, disciplined)
0
cool cat(expression, adjective, unfeeling, nowhere)
0
detached(adjective, indifferent, distant, remote, isolated)
0
distant(adjective, indifferent, detached, remote, isolated)
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APASmart Define. (2013). hardboiled thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hardboiled/thesaurus/synonyms
ChicagoSmart Define. 2013. "hardboiled thesaurus" https://smartdefine.org/hardboiled/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, hardboiled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hardboiled/thesaurus/synonyms>.
MLASmart Define. "hardboiled thesaurus" 18 May 2013. Web. 28 September 2026. <https://smartdefine.org/hardboiled/thesaurus/synonyms>