having no base; without foundation; groundless: a baseless claim.

Origin of baseless

First recorded in 1600–10; base1 + -less Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for baseless

Contemporary Examples of baseless

Historical Examples of baseless

  • But my fears that their mental suggestions might obsess her were baseless.

    It Happened in Egypt

    C. N. Williamson

  • Pym, all here know you: you'll not set your heart On any baseless dream.

    Browning's England

    Helen Archibald Clarke

  • But Colonel John was not one to give way to fears that might be baseless.

    The Wild Geese

    Stanley John Weyman

  • And like the baseless fabric of a vision, Leave not a rack behind.

    Daily Thoughts

    Charles Kingsley

  • He saw how baseless his hope had been, and he exonerated her from all blame.

    A Spoil of Office

    Hamlin Garland

British Dictionary definitions for baseless



not based on fact; unfoundeda baseless supposition
Derived Formsbaselessly, adverbbaselessness, 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

Word Origin and History for baseless

c.1600, from base (n.) + -less. Related: Baselessly; baselessness.

Online Etymology Dictionary, © 2010 Douglas Harper