'Ultra vires' definitions:
Definition of 'ultra vires'
From: WordNet
adverb
Beyond the scope or in excess of legal power or authority
adjective
Beyond the legal power or authority of a person or official or body etc; "an ultra vires contract" [ant: intra vires]
Definition of 'Ultra vires'
From: GCIDE
- Ultra vires \Ul`tra vi"res\, [Law Latin, from L. prep. ultra beyond + vires, pl. of. vis strength.] Beyond power; transcending authority; -- a phrase used frequently in relation to acts or enactments by corporations in excess of their chartered or statutory rights. [1913 Webster]