- unfeeling; unkind; unsympathetic; harsh; cruel: heartless words; a heartless ruler.
- Archaic. lacking courage or enthusiasm; spiritless; disheartened.
Origin of heartless
Examples from the Web for heartless
But the Sawyer case, combined with the heartless parsimony of all lethal outbreaks, means that the truth will out and soon.What Ebola on a Plane Means for the U.S.
August 7, 2014
In California, Christie shot back: “That is not a heartless position, that is a common-sense position.”How Chris Christie is Winning Over Hispanics
November 3, 2013
Some offenders are literally coldblooded, heartless killers.What Made the Boston Bombers Do It
May 3, 2013
Remember the flak that Texas Gov. Rick Perry took last cycle for calling critics of illegal immigrants “heartless”?Ted Cruz, the Anti-Rubio Who Is Determined to Stop Immigration Reform
May 2, 2013
The effortless transformation of Justin Bieber from dreamy teen heartthrob to heartless, self-centered pop star continues apace.Justin Bieber Abandons Mally The Monkey To German Authorities
April 23, 2013
There was something so ruthless in the boy, so overbearing and heartless.Dust
Mr. and Mrs. Haldeman-Julius
You think that I am heartless, and have been playing with you.Fair Margaret
H. Rider Haggard
And, how about the heartless girl—did you ever see her again, Uncle Jim?With Trapper Jim in the North Woods
Lawrence J. Leslie
I reject you, and all of your kith and kin—all the false, hollow, heartless stock.'Barnaby Rudge
Reckless, thoughtless, heartless, he plunges headlong again.The Book of Khalid
- unkind or cruel; hard-hearted
Word Origin and History for heartless
Old English heortleas "dispirited, dejected;" see heart + -less. In Middle English with expanded senses "lacking in courage; foolish; listless; half-hearted; sluggish." Sense of "callous, cruel" is not certainly attested before Shelley used it in 1816. Literal meaning "lacking a heart, lifeless" (mid-15c.) is rare. Related: Heartlessly; heartlessness.