Having no justification; groundless

unwarranted interference. See Synonyms at baseless

incapable of being justified or explained[syn: indefensible ]

without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"[syn: baseless ]

lacking justification or authorization; "desire for undue private profit"; "unwarranted limitations of personal freedom"[syn: undue ]

adjective

called-for , justifiable , reasonable , warranted

adjective

baseless , bottomless , foundationless , gratuitous , groundless , indefensible , inexcusable , uncalled-for , unconscionable , undue , unfair , unfounded , ungrounded , unjust , unjustifiable , unjustified , unprovoked , unreasonable , unwarrantable , wrong , idle , pointless