Not agreeable to a rule or standard, or to duty; disproportioned; excessive; immoderate; inordinate; as, an undue attachment to forms; an undue rigor in the execution of law.
lacking justification or authorization; "unreasonable searches and seizures"; "desire for undue private profit"; "unwarranted limitations of personal freedom"
beyond normal limits; "excessive charges"; "a book of inordinate length"; "his dress stops just short of undue elegance"; "unreasonable demands"