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[plen-i-tood, -tyood]
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  1. fullness or adequacy in quantity, measure, or degree; abundance: a plenitude of food, air, and sunlight.
  2. state of being full or complete.
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Origin of plenitude

1375–1425; late Middle English < Latin plēnitūdō. See plenum, -i-, tude
Related formso·ver·plen·i·tude, noun
Can be confusedplanetary plenary plentiful plenitude


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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for plenitude


  1. abundance; copiousness
  2. the condition of being full or complete
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Word Origin

C15: via Old French from Latin plēnitūdō, from plēnus full
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

Word Origin and History for plenitude


early 15c., from Old French plenitude and directly from Latin plenitudinem (nominative plenitudo) "abundance, completeness, fullness," from plenus "complete, full" (see plenary).

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Online Etymology Dictionary, © 2010 Douglas Harper