1. To make or become weak or weaker.

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

Visuals for weaken


  • 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.

    Exhibit Explores New York's Latin Roots

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

    If Prayers Were Horses, Grievers Would Ride - Her Bad Mother

  • "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.

    One Day's Rebound in Oil Prices

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

    CNN Transcript Oct 11, 2009

  • 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.

    Hyundai Motor Net Falls,