heartless Meaning, Definition & Usage

  1. adjective lacking in feeling or pity or warmth
    hardhearted.
  2. adjective satellite devoid of courage or enthusiasm

WordNet

Heart"less adjective
Definitions
  1. Without a heart.
    You have left me heartess; mine is in your bosom. J. Webster.
  2. Destitute of courage; spiritless; despodent.
    Heartless they fought, and quitted soon their ground. Dryden.
    Heartless and melancholy. W. Irwing.
  3. Destitute of feeling or affection; unsympathetic; cruel. "The heartless parasites." Byron. -- Heart"less*ly, adv. -- Heart"less*ness, n.

Webster 1913