Definitions

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

  • adj. Not based on fact or sound evidence; groundless. See Synonyms at baseless.
  • adj. Not yet established.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having no strong foundation; not based on solid reasons or facts.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not founded; not built or established.
  • adj. Having no foundation; baseless; vain; idle.

from The Century Dictionary and Cyclopedia

  • Not founded; not built or established. Having no foundation; vain; idle; baseless: as, unfounded expectations.

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

  • adj. without a basis in reason or fact

Etymologies

Sorry, no etymologies found.

Examples

  • Mr. da Silva, who is using his immense popularity to lift his former chief-of-staff Ms. Rousseff into the presidency, appeared on television this week to defend Ms. Rousseff against what he described as unfounded attacks.

    Probe Hits Ahead of Brazil Elections

  • Our critics seem to shudder at what they call unfounded personal attacks.

    Archive 2006-03-19

  • Ngonyama said the DP had numerous platforms to use before running to the media with what he called unfounded allegations.

    ANC Daily News Briefing

  • Newspapers, for undisclosed damages over what it called "unfounded rumours".

    The Guardian World News

  • Pitino hopes the extension ends what he called unfounded speculation that he's considering leaving the Cardinals in pursuit of another job.

    CNN.com

  • Pitino, 57, said he hoped the extension would end what he called unfounded speculation that he is considering leaving the Cardinals for another job.

    NYT > Home Page

  • Demonstrating that your claims are unfounded is no distraction.

    Think Progress » Chuck Todd: ‘The Tea Party gets a big benefit’ from Fox News’ promotion.

  • Whether the concerns are unfounded is another issue but the feeling is certainly out there.

    16 posts from August 2007

  • Each year, D.C. police report a handful of rape cases as "unfounded" -- meaning that after an investigation into a rape allegation, it is determined that no crime actually occurred.

    AlterNet.org Main RSS Feed

  • Cablevision said the legal basis for it is "unfounded" - and vowed to fight efforts to make it share its local sports and news.

    The Fond du Lac Reporter Latest Headlines

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