unfeeling

adjective

1. not feeling; devoid of feeling; insensible or insensate.
2. unsympathetic; callous: an intelligent but unfeeling man.

adjective

1. without sympathy; callous
2. without physical feeling or sensation

adj.late Old English, “having no sensation,” from un- (1) “not” + feeling (see feel (v.)). Meaning “devoid of kindly or tender feelings” is recorded from 1590s. Related: Unfeelingly.