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Definition of "upend" []

  • To stand, set, or turn on one end: upend an oblong box. (verb-transitive)
  • To invalidate, destroy, or change completely; overthrow: upended a popular legend. (verb-transitive)
  • To win victory over; defeat. (verb-transitive)
  • To be upended. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "upend" in a sentence
  • "The Fed's new rules "upend" the card business and fast-forwarding them would "create huge implementation challenges," said Kenneth Clayton, senior vice president of card policy at the American Bankers Association."
  • "Speaking during the first of the BBC Daily Politics debates between party spokesmen, the foreign secretary said Cameron appeared to want to "upend" sixty years of cooperation with the Chinese."
  • "Departing Justice David H. Souter sided with the minority in this case, expressing dismay in his dissent and suggesting the decision could "upend," said the Times, the federal civil litigation system."