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: unfeeling, cruel
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affectless, callous, case-hardened, cold-blooded, compassionless, desensitized, hard, hard-boiled, hard-hearted, heartless, indurate, inhuman, inhumane, insensate, insensitive, ironhearted, merciless, obdurate, pachydermatous, pitiless, remorseless, ruthless, slash-and-burn, soulless, stony (also stoney), take-no-prisoners, thick-skinned, uncharitable, unfeeling, unmerciful, unsparing, unsympathetic
charitable, compassionate, humane, kindhearted, kindly, merciful, sensitive, softhearted, sympathetic, tender, tenderhearted, warm, warmhearted
1567, in the meaning defined above
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