Adjective

(en-adj)

(obsolete) Having no race or kindred; childless.

(Shakespeare)

Not kind; contrary to nature or type; unnatural.

Lacking kindness, sympathy, benevolence, gratitude, or similar; cruel, harsh or unjust; ungrateful.

* 1950 July 3, Politicians Without Politics'', '' , page 16,

Despite the bursitis, Dewey got in a good round of golf, though his cautious game inspired a reporter to make one of the week?s unkindest remarks: “He plays golf like he plays politics — straight down the middle, and short.”

* 1974 , Laurence William Wylie, Village in the Vaucluse , 3rd Edition, page 175,

We had to learn that to refuse such gifts, which represented serious sacrifice, was more unkind than to accept them.

* 2000 , Edward W. Said, On Lost Causes'', in ''Reflections on Exile and Other Essays , page 540,

In the strictness with which he holds this view he belongs in the company of the novelists I have cited, except that he is unkinder and less charitable than they are.

Adjective

(en adjective)

Without a heart; specifically, without feeling, emotion, or concern for others; uncaring.

His heartless actions and cold manner left her saddened and feeling alone.

* {{quote-news

, year=2012 , date=April 29 , author=Nathan Rabin , title=TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992) citation , page= , passage=Mr. Burns is similarly perfectly cast as a heartless capitalist willing to do anything for a quick buck, even if it means endangering the lives of those around him and Marge elegantly rounds out the main cast as a good, pure-hearted and overly indulgent woman who sees the big, good heart (literally and metaphorically) of a monstrous man-brute. }}