Definition of groundless Groundless

/gɹawˈndlʌs/ - [grawndlus] - ground•less

We found 3 definitions of groundless from 3 different sources.

What does groundless mean?

Adjective
groundless - without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"
		baseless, idle, unfounded, unwarranted, wild
		unsupported not held up or borne; "removal of the central post left the roof unsupported"

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groundless (a.)
Without ground or foundation; wanting cause or reason for support; not authorized; false; as, groundless fear; a groundless report or assertion.