Baseless

a.

1.

Without a base; having no foundation or support.

Adj.

1.

baseless - without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy" Synonyms: groundless, unfounded, unwarranted, idle

bottomless, built on sand, empty, false, gratuitous, groundless, idle, ill-founded, indefensible, needless, not well-founded, pointless, reasonless, senseless, unbased, uncalled-for, unfounded, ungrounded, unjustifiable, unnecessary, unneeded, unsolid, unsupportable, unsupported, unsustainable, unsustained, untenable, unwarranted, vain, without basis, without foundation, wrong