unfeeling; unkind; unsympathetic; harsh; cruel: heartless words; a heartless ruler.
Archaic. lacking courage or enthusiasm; spiritless; disheartened.
- heart·less·ly, adverb
- heart·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use heartless in a sentence
Who heartlessly kicks Aziz Ansari into a hole, causing him to plummet to his death, instead of trying to save him?‘This Is the End’ Craziest Moments Quiz: Which Celeb Did What? | Kevin Fallon | June 17, 2013 | THE DAILY BEAST
At least they won't get angry and accuse you of heartlessly trying to kill them in order to save a few dollars on tensor fields.Why Not Make Social Security Benefits Even More Generous | Megan McArdle | March 8, 2013 | THE DAILY BEAST
"I am not certain, but I have engaged to go somewhere else," said Josephine, smiling heartlessly into the pure little face.Alone | Marion Harland
To every appeal they heartlessly refused to divulge the key to the lock-in.Meeting of the Board | Alan Edward Nourse
It was a tempting marriage, for it united the two great rival houses of Rome, and Eufrosina was heartlessly cast aside.Romance of Roman Villas | Elizabeth W. (Elizbeth Williams) Champney
British Dictionary definitions for heartless
unkind or cruel; hard-hearted
- heartlessly, adverb
- heartlessness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012