groundless

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈgraʊndləs/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈgraʊndlɪs/ ,USA pronunciation: respelling(ground′lis)


WordReference Random House Learner's Dictionary of American English © 2025
ground•less /ˈgraʊndlɪs/USA pronunciation   adj. 
  1. without reasonable or rational basis;
    unfounded:groundless fears.

WordReference Random House Unabridged Dictionary of American English © 2025
ground•less  (ground′lis),USA pronunciation adj. 
  1. without rational basis:groundless fears.
  • bef. 900; Middle English: bottomless, unfathomable; Old English grundlēas. See ground1, -less
ground′less•ly, adv. 
ground′less•ness, n. 
    baseless, unfounded, unjustified, idle.
Collins Concise English Dictionary © HarperCollins Publishers::
groundless / ˈɡraʊndlɪs/
  1. without reason or justification: his suspicions were groundless
ˈgroundlesslyˈgroundlessness
'groundless' also found in these entries (note: many are not synonyms or translations):
baseless - fantastic - gratuitous - idea - idle - precarious - terror - unfounded - untenable - untrue

Forum discussions with the word(s) "groundless" in the title:


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