Delusive \De*lu"sive\, a. [See {Delude}.] Apt or fitted to delude; tending to mislead the mind; deceptive; beguiling; delusory; as, delusive arts; a delusive dream. Delusive and unsubstantial ideas. --Whewell. -- {De*lu"sive*ly}, adv. -- {De*lu"sive*ness}, n.