groundless

[ ground-lis ]
See synonyms for: groundlessgroundlessly on Thesaurus.com

adjective
  1. without rational basis: groundless fears.

Origin of groundless

1
before 900; Middle English: bottomless, unfathomable; Old English grundlēas.See ground1, -less

Other words for groundless

Other words from groundless

  • ground·less·ly, adverb
  • ground·less·ness, noun

Words Nearby groundless

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use groundless in a sentence

British Dictionary definitions for groundless

groundless

/ (ˈɡraʊndlɪs) /


adjective
  1. without reason or justification: his suspicions were groundless

Derived forms of groundless

  • groundlessly, adverb
  • groundlessness, 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