heartless

Etymology

From Middle English hertles, herteles, from Old English heortlēas (“without courage; listless”), equivalent to heart + -less.

adj

1. (obsolete) Without courage; fearful, cowardly.
   Cecilia then, though almost heartless, resolved upon talking with Mr. Harrel himself […]. 1782, Frances Burney, Cecilia, II.iii.7
2. (now rare) Listless, unenthusiastic.
3. Without a physical heart.
4. Without feeling, emotion, or concern for others; uncaring.
   His heartless actions and cold manner left her saddened and feeling alone.
   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. April 29, 2012, Nathan Rabin, “TV: Review: THE SIMPSONS (CLASSIC): “Treehouse of Horror III” (season 4, episode 5; originally aired 10/29/1992)”, in (Please provide the book title or journal name)