[ plee-nuh-ree, plen-uh- ]
/ ˈpli nə ri, ˈplɛn ə- /
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full; complete; entire; absolute; unqualified: plenary powers.
attended by all qualified members; fully constituted: a plenary session of Congress.

noun, plural ple·na·ries.

a plenary session, meeting, or the like.



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Origin of plenary

First recorded in 1375–1425; from Late Latin plēnārius (see plenum, -ary); replacing late Middle English plener, from Anglo-French, from Late Latin plēnāris (see -ar1)
ple·na·ri·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for plenary

/ (ˈpliːnərɪ, ˈplɛn-) /


full, unqualified, or completeplenary powers; plenary indulgence
(of assemblies, councils, etc) attended by all the members

noun plural -ries

a book of the gospels or epistles and homilies read at the Eucharist
plenarily, adverb
C15: from Late Latin plēnārius, from Latin plēnus full; related to Middle English plener; see plenum
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
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