heartless

adjective

ˈhärt-ləs How to pronounce heartless (audio)
Definition of heartlessnext
1
as in ruthless
having or showing a lack of sympathy or tender feelings a heartless boss who would fire people for missing work, even if they were sick as a dog

Synonyms & Similar Words

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Antonyms & Near Antonyms
2
as in cruel
having or showing the desire to inflict severe pain and suffering on others his heartless whipping of runaway slaves virtually to the point of death shocked even other slave owners

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of heartless Where the latter brought incredible jokes and plenty of heart, the former is purposefully heartless and half-intentionally predictable. — Ben Travers, IndieWire, 17 Mar. 2026 The $31 million bill will override a heartless funding cut by the state Department of Health and, for now, avoids a potential life-or-death situation for about 11,000 people in Florida. — Orlando Sentinel, The Orlando Sentinel, 15 Mar. 2026 Kane was a fan favorite heroine-villain female fictional character who may have appeared heartless on the show at times. — Bruce Y. Lee, Forbes.com, 28 Feb. 2026 In 1965 Maryland, Sophia Clark is given an opportunity to attend a prestigious all white boarding school and escape her heartless parents. — Danielle Parker, CBS News, 15 Feb. 2026 See All Example Sentences for heartless
Recent Examples of Synonyms for heartless
  1. ruthless
  2. cruel
  3. merciless
  4. brutal
  5. stony
  6. vicious
  7. savage
Adjective
  • Once the ruthless commander of Bosnian Serb forces, Mladic oversaw the siege of Sarajevo, mass killings and the 1995 Srebrenica massacre that left more than 8,000 Muslim men and boys dead.
    — Jovana Gec, Los Angeles Times, 27 Aug. 2026
  • The rest would kill her just for being her mother’s daughter, like Xaden Riorson, the most powerful and ruthless wingleader in the Riders Quadrant.
    — Charlotte Phillipp, PEOPLE, 27 Aug. 2026
Definition of ruthless
Adjective
  • Having Sheridan actually be a cruel person was one of the key audience expectations the writer-director hoped to flip in the pursuit of laughs.
    — William Earl, Variety, 28 Aug. 2026
  • But Triage does have a moment in which an ember of the old cruel optimism flickers.
    — Charles Finch, The Atlantic, 28 Aug. 2026
Definition of cruel
Adjective
  • In Braun’s script, the merciless obstacle course of singlehood seems just absurd.
    — Faith Hill, The Atlantic, 14 Aug. 2026
  • Regehr was relentless and merciless, and Oilers fans had to witness it over and over again.
    — Sean McIndoe, New York Times, 25 July 2026
Definition of merciless
Adjective
  • Within a span of four months in Fort Worth last year, Watkins and Snellings were killed in similarly brutal attacks in the Near Southside and Historic Southside sections of the city.
    — Emerson Clarridge, Fort Worth Star-Telegram, 28 Aug. 2026
  • Even so, when investor confidence broke in 1997, the adjustment was swift and brutal.
    — MICHAEL PETTIS, Foreign Affairs, 28 Aug. 2026
Definition of brutal
Adjective
  • Oscar Wilde, for example, reposes beneath a hulking deity whose iconoclastic castration, back in 1961, did little to restrain pilgrims seeking to smear red lips across his stony physique.
    — Emily Cox, ARTnews.com, 22 May 2026
  • Instead of looking like a sleek urban loft, the room can quickly start to feel cold, stony, and impersonal.
    — Natasha Bazika, Martha Stewart, 9 May 2026
Definition of stony
Adjective
  • Detectives charged him with murder, manslaughter and criminal possession of a weapon for the vicious attack that killed his mother, 57-year-old Josefa Soto de Guzman, on Friday.
    — Colin Mixson, New York Daily News, 26 Aug. 2026
  • Pace, skill, a vicious shot, the ability to make opposition defenders look like fools.
    — James Horncastle, New York Times, 26 Aug. 2026
Definition of vicious
Adjective
  • Cole, who has to maneuver his way around 20 savage crew members, each of whom will need to be killed, doesn’t waste a homicidal movement.
    — Owen Gleiberman, Variety, 19 Aug. 2026
  • The savage battles of Iwo Jima and Okinawa had already demonstrated the ferocity with which Japanese forces would defend their homeland.
    — James M. Scott, Time, 10 Aug. 2026
Definition of savage

Browse Nearby Words

heartiness
heartless
heartlessly
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Cite this Entry

“Heartless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heartless. Accessed 1 Sep. 2026.

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