ultra vires (<<schwa>>l-tr<<schwa>> vI-reez alsoveer-eez), adj. Unauthorized; beyond the scope of power allowed or granted by a corporate charter or by law <the officer was liable for the firm’s ultra vires actions>. — Also termed extra vires. Cf. INTRA VIRES. [Cases: Corporations  370(1), 385. C.J.S. Corporations §§ 554, 567, 573, 576.] — ultra vires,adv.
[Blacks Law 8th]