83 entries under adjective topic. ×

1
unamiable(hard, tough, severe, cold)
1
uncompassionate(hard, tough, severe, cold)
1
uncordial(hard, tough, severe, cold)
1
unemotional(hard, tough, severe, cold)
1
unkindly(bad, cold, aloof, no feelings)
1
unresponsive(bad, cold, aloof, no feelings)
0
coldblooded(unfeeling, senseless, numb, hard-hearted)
0
coldhearted(severe, unfeeling, numb, hard-hearted)
0
cool cat(expression, unfeeling, hard-hearted, nowhere)
0
hard as nails(expression, idiom, unfeeling, hard-hearted)
0
hardboiled(unfeeling, hard-hearted, nowhere, obdurate)
0
hardhearted(cruel, unsympathetic, pitiless, heartless)
0
laid back(expression, unfeeling, hard-hearted, nowhere)
0
matter of fact(expression, idiom, unfeeling, hard-hearted)
0
nonemotional(unfeeling, hard-hearted, nowhere, obdurate)
0
nowhere(unfeeling, hard-hearted, obdurate, unimpassioned)
0
stony-eyed(unfeeling, hard-hearted, nowhere, obdurate)
0
toneless(unfeeling, hard-hearted, nowhere, obdurate)
0
unexcited(unfeeling, hard-hearted, nowhere, obdurate)
0
unimpassioned(unfeeling, hard-hearted, nowhere, obdurate)
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APASmart Define. (2013). iron-hearted thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/iron-hearted/thesaurus/synonyms
ChicagoSmart Define. 2013. "iron-hearted thesaurus" https://smartdefine.org/iron-hearted/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, iron-hearted thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/iron-hearted/thesaurus/synonyms>.
MLASmart Define. "iron-hearted thesaurus" 19 May 2013. Web. 29 September 2026. <https://smartdefine.org/iron-hearted/thesaurus/synonyms>