Definition of ultra vires
: beyond the scope or in excess of legal power or authority
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Origin and Etymology of ultra vires
New Latin, literally, beyond power
First Known Use: 1793
Law Dictionary
ultra vires
play
adverb or adjective
ul·tra vi·res
\ˈəl-trə-ˈvī-ˌrēz, ˈu̇l-trä-ˈvē-ˌrās\
Legal Definition of ultra vires
: beyond the scope or in excess of legal power or authority (as of a corporation) the agency acted ultra vires the agreement was ultra vires — compare intra vires
Origin and Etymology of ultra vires
Latin, beyond the power or means (of)
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