without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"
disapproval If you describe something as unwarranted, you are critical of it because there is no need or reason for it. Any attempt to discuss the issue of human rights was rejected as an unwarranted interference in the country's internal affairs He accused the police of using unwarranted brutality. done without good reason, and therefore annoying
lacking justification or authorization; "unreasonable searches and seizures"; "desire for undue private profit"; "unwarranted limitations of personal freedom"