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groundless

[ ground-lis ]
/ ˈgraʊnd lɪs /
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See synonyms for: groundless / groundlessly on Thesaurus.com

adjective
without rational basis: groundless fears.
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Origin of groundless

before 900; Middle English: bottomless, unfathomable; Old English grundlēas.See ground1, -less

OTHER WORDS FROM groundless

ground·less·ly, adverbground·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use groundless in a sentence

British Dictionary definitions for groundless

groundless
/ (ˈɡraʊndlɪs) /

adjective
without reason or justificationhis suspicions were groundless

Derived forms of groundless

groundlessly, 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
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