from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Unyielding in severity or strictness; unrelenting: relentless persecution.
  • adj. Steady and persistent; unremitting: the relentless beat of the drums.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Unrelenting or unyielding in severity
  • adj. Unremitting, steady and persistent

from the GNU version of the Collaborative International Dictionary of English

  • adj. Unmoved by appeals for sympathy or forgiveness; insensible to the distresses of others; destitute of tenderness; unrelenting; unyielding; unpitying.

from The Century Dictionary and Cyclopedia

  • Incapable of relenting; unmoved by pity; unpitying; insensible to the distress of others; destitute of tenderness.
  • Synonyms Implacable, etc. See inexorable, and list under unrelenting.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not to be placated or appeased or moved by entreaty
  • adj. never-ceasing


from Wiktionary, Creative Commons Attribution/Share-Alike License

relent +‎ -less


  • Mr. Christie's aides say the governor hasn't budged from his months-long insistence that he won't enter the presidential fray, despite what one described as a "relentless" stream of calls over the last week from prominent Republicans urging him to run.

    Christie Courted, Still Says No

  • This is what I call the relentless rules of humble arithmetic from Justice Brandeis.

    Transcript: John Bogle

  • Those aren't students fighting, but that is a student on top of Berry in what she calls a relentless beating all caught on a cell phone camera.

    CNN Transcript Apr 10, 2008

  • Those aren ` t students fighting, but that is a student on top of Berry, in what she calls a relentless beating, all caught on a cell phone camera.

    CNN Transcript Apr 10, 2008

  • S. O'BRIEN: On her campaign's Web site, Harris blames the media for what she calls relentless personal attacks upon her.

    CNN Transcript Apr 4, 2006

  • The introduction to the proposal said the spending blueprint disavowed what it called the "relentless government spending, borrowing and taxing that are leading America, right at this moment, toward a debt-fueled economic crisis and the demise of America's exceptional promise."

    NYT > Home Page

  • On Monday, local district attorney Elizabeth Scheibel announced nine teenagers had been charged in connection with what she called the relentless bullying of Prince.

    Winnipeg Sun

  • The last years of his control, from 1995 onwards, were characterized by a relentless effort to facilitate his son Bashar's accession to power.

    Dr. Josef Olmert: Bashar Assad, the Alawite Community and the Future

  • Baltimore's offense was relentless from the instant Ray Rice dashed 83 yards for a score on the first play from scrimmage to trigger a 24-point opening quarter while its bruising defense generated four turnovers against battered quarterback Tom Brady — three interceptions and a fumble.

    Statement win: Could beating Patriots fuel deep Ravens run?

  • Hemingway’s tyrannical proverb haunts writing classes and roils the sleep of the lonely would-be novelist, who in relentless dreams and depressing reality alike feels himself drowning in Uncle

    Secrets of the Crypt - Arthur Phillips talks about how he came to write The Egyptologist


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