v. t. Not to become; to suit ill; not to befit or be adapted to. Macaulay. [ 1913 Webster ]

Thy father will not act what misbecomes him. Addison. [ 1913 Webster ]

a. Unbecoming. Milton. -- Mis`be*com"ing*ly, adv. -- Mis`be*com"ing*ness, n. Boyle. [ 1913 Webster ]