from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To make or become weak or weaker.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To make weaker.
  • v. To become weaker.

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To become weak or weaker; to lose strength, spirit, or determination; to become less positive or resolute.
  • transitive v. To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate.
  • transitive v. To reduce in quality, strength, or spirit.

from The Century Dictionary and Cyclopedia

  • To become weak or weaker: as, he weakens from day to day.
  • To make weak or weaker; lesson or reduce the strength, power, ability, influence, or quality of: as, to weaken the body or the mind; to weaken a solution or infusion by dilution; to weaken the force of an argument.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. become weaker
  • v. destroy property or hinder normal operations
  • v. reduce the level or intensity or size or scope of
  • v. lessen in force or effect
  • v. lessen the strength of


Sorry, no etymologies found.


  • 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.

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  • My dad was the strongest man on earth, and watching him weaken is terrifying, but losing him?

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  • "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.

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  • But this system is actually going to continue to weaken, which is some great news.

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  • Based on an average won-dollar rate of 904 won, CJ Investment & Securities has projected Hyundai to post an operating profit of 409.4 billion won on sales of 7.7 trillion won in the first quarter, although it expects the won to weaken, which is a benefit for Hyundai.

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  • You don't want the muscles to weaken, which is what happens when you rest and do nothing.

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  • Woe to the makers of literal translations, who by rendering every word weaken the meaning!

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  • Torsella, who dropped out of the race in May, said he ended his candidacy because he didn't want to "weaken" the Democratic Party's chances of winning the seat in 2010.

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  • Europeans struggling to adapt to new environments were especially vulnerable to heat and humidity which tended to "weaken" their constitutions.

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  • But it shouldn't be their objective to "weaken" or marginalize them.

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