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intra vires

American  
[in-truh vahy-reez] / ˈɪn trə ˈvaɪ riz /

adverb

Law.

  1. within the legal power or authority of an individual or corporation (opposed to ultra vires).

Etymology

Origin of intra vires

First recorded in 1875–80, intra vires is from Latin intrā vīrēs “within the powers”

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.