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baseless

American  
[beys-lis] / ˈbeɪs lɪs /

adjective

  1. having no base; bases; without foundation; groundless.

    a baseless claim.
baseless British  
/ ˈbeɪslɪs /

adjective

  1. not based on fact; unfounded

    a baseless supposition
"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

Other Word Forms

  • baselessly adverb
  • baselessness noun

Etymology

Origin of baseless

First recorded in 1600–10; base 1 + -less

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Mr. Glover denies these baseless allegations in the strongest possible terms,” a legal representative for Glover said in a statement on Thursday.

From Los Angeles Times

Current AI health tools frequently produce hallucinations, confabulations, and baseless warnings that can endanger patients and their medical decisions.

From Los Angeles Times

Lord Mandelson's lawyers said police officers arrested the former ambassador to the US at his London home on Monday because of a "baseless" suggestion he was planning to "take up permanent residence abroad".

From BBC

Lord Mandelson's lawyers say he had agreed to an interview next month, and the decision to arrest him was prompted by a "baseless" suggestion he was planning to move abroad.

From BBC

The White House called the reporting “baseless speculation.”

From The Wall Street Journal

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.