• synonyms


[plak-ahrd, -erd]
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  1. a paperboard sign or notice, as one posted in a public place or carried by a demonstrator or picketer.
  2. Armor. placate2.
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verb (used with object)
  1. to display placards on or in: The square was placarded by peace marchers.
  2. to publicize, announce, or advertise by means of placards.
  3. to post as a placard.
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Origin of placard

1475–85; < Middle French. See plaque, -ard
Related formsplac·ard·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for placard


  1. a printed or written notice for public display; poster
  2. a small plaque or card
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verb (tr)
  1. to post placards on or in
  2. to publicize or advertise by placards
  3. to display as a placard
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Word Origin

C15: from Old French plaquart, from plaquier to plate, lay flat; see plaque
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 placard


late 15c., "formal document authenticated by an affixed seal," from Middle French placquard "official document with a large, flat seal," also "plate of armor," from Old French plaquier "to lay on, cover up, plaster over," from Middle Dutch placken "to patch (a garment), to plaster," related to Middle High German placke "patch, stain," German Placken "spot, patch." Meaning "poster" first recorded 1550s in English; this sense is in Middle French from 15c.

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Online Etymology Dictionary, © 2010 Douglas Harper