[ uhl-truh vahy-reez ]
/ ˌʌl trə ˈvaɪ riz /
adverb, adjective Law.
beyond the legal power or authority of a corporation, corporate officer, etc. (opposed to intra vires).
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Origin of ultra vires
First recorded in 1785–95, ultra vires is from the Latin word ultrā vīrēs literally, beyond strength
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ultra vires
/ (ˈvaɪriːz) /
(predicative) law beyond the legal power or authority of a person, corporation, agent, etc
Word Origin for ultra vires
Latin, literally: beyond strength
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012