9 Grammatical Pitfalls


[plee-nuh-ree, plen-uh-] /ˈpli nə ri, ˈplɛn ə-/
full; complete; entire; absolute; unqualified:
plenary powers.
attended by all qualified members; fully constituted:
a plenary session of Congress.
noun, plural plenaries.
a plenary session, meeting, or the like.
Origin of plenary
late Middle English
1375-1425; < Late Latin plēnārius (see plenum, -ary); replacing late Middle English plener < Anglo-French < Late Latin plēnāris (see -ar1)
Related forms
plenarily, adverb
Can be confused Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for plenary
  • Monday will find the Convention ready for business with the opening of the first plenary session.
  • Generally, the plenary session of the academy meets every two years.
  • We both were done for the day and went for pre-plenary address drinks.
  • Several controversial changes were given unobstructed passage through committee and plenary sessions.
  • It was during the final formal plenary, which was crammed with observers, journalists and officials from more than 180 countries.
  • He is scheduled to appear at the first plenary session of the great international gathering in May.
  • The major state news organizations reported Friday that rural land reform was at the top of the agenda for the plenary session.
  • We exercise plenary review over whether the requirements for abstention have been met.
  • Romulo is our headline speaker for that first plenary session.
  • Yet, amidst the monotony and occasional pomposity of the long plenary sessions, a deeper drama began to emerge.
British Dictionary definitions for plenary


/ˈpliːnərɪ; ˈplɛn-/
full, unqualified, or complete: plenary powers, plenary indulgence
(of assemblies, councils, etc) attended by all the members
noun (pl) -ries
a book of the gospels or epistles and homilies read at the Eucharist
Derived Forms
plenarily, adverb
Word Origin
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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Word Origin and History for plenary

1510s, earlier plenar (mid-13c.), from Old French plenier, from Medieval Latin plenarius "entire, complete," from Latin plenus "full, filled, greatly crowded; stout, pregnant; abundant, abounding; complete," from PIE *pele- (1) "to fill" (see poly-). Related: Plenarily.

Online Etymology Dictionary, © 2010 Douglas Harper
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