Groundless
Pronunciation : Ground"less
Part of Speech : a.
Etymology : [AS. grundle?s bottomless.]
Definition : Defn: Without ground or foundation; wanting cause or reason for support; not authorized; false; as, groundless fear; a groundless report or assertion. -- Ground"less*ly, adv. -- Ground"less*ness, n.
Source : Webster's Unabridged Dictionary, 1913