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Definition of "weaken" []

  • To make or become weak or weaker. (verb-transitive)
  • To become or cause to become weak or weaker (verb)

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.

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "weaken" in a sentence
  • "But by the late 18th and early 19th centuries, that empire was beginning to weaken from a series of financially ruinous European wars, the cost of supplying and fortifying their outposts in the Americas, piracy and other factors."
  • "My dad was the strongest man on earth, and watching him weaken is terrifying, but losing him?"
  • ""We're starting to see those spreads weaken, which is indicating to us that we are going to start using some of that crude oil," says Darin Newsom, chief commodities analyst at DTN in Omaha, Neb."