groundless
/ˈɡɹaʊndləs/ adjective
- adjective Without any grounds to support it; baseless.
- adjective (obsolete) Bottomless; having no bottom or floor.
Synonyms
baseless unfounded unsupported idle footless ungrounded unjustified unproved unproven unsubstantiated unwarranted wild
Etymology
From Middle English groundles (“bottomless”), from Old English grundlēas, from Proto-Germanic *grundulausaz, equivalent to ground + -less. Cognate with Dutch grondeloos, German Low German grundlos, German grundlos, Danish grundløs, Swedish grundlös.
Webster’s 1913
- adjective Without ground or foundation; wanting cause or reason for support; not authorized; false; as, groundless fear; a groundless report or assertion.
Etymology [AS. grundleás bottomless.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “groundless”, CC BY-SA 4.0. Details