definitions
  • synonyms

groundless

[ ground-lis ]
/ ˈgraʊnd lɪs /
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SEE MORE SYNONYMS FOR groundless ON THESAURUS.COM

adjective

without rational basis: groundless fears.

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RELATED WORDS

Nearby words

groundfire, groundhog, groundhog day, grounding, groundkeeper, groundless, groundlessly, groundling, groundmass, groundnut, groundnut oil

Origin of groundless

before 900; Middle English: bottomless, unfathomable; Old English grundlēas. See ground1, -less
SYNONYMS FOR groundless
Related formsground·less·ly, adverbground·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for groundless

British Dictionary definitions for groundless

groundless

/ (ˈɡraʊndlɪs) /

adjective

without reason or justificationhis suspicions were groundless
Derived Formsgroundlessly, adverbgroundlessness, 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 groundless

groundless


adj.

Old English grundleas "bottomless, unfathomable, vast;" see ground (n.) + -less. Figurative sense of "unfathomable" is from early 14c. Related: Groundlessly; groundlessness.

Online Etymology Dictionary, © 2010 Douglas Harper