ultra vires is an adjective and adverb meaning "beyond the legal power or authority of a person or official or body etc". It carries 2 recorded senses.
beyond the legal power or authority of a person or official or body etc
“an ultra vires contract”
law
beyond the scope or in excess of legal power or authority
Definitions, synonyms and semantic relations for ultra vires come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.