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English definition of “weaken”

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weaken

verb [I, T]
 
 
/ˈwiːkən/
LOSE POWER to become less strong or powerful, or to make someone or something less strong or powerful: A number of factors have weakened the economy.Becoming and making less strongBecoming and making smaller or lessBecoming and making less strong
LOSE CONFIDENCE to become less certain or determined about a decision, or to make someone less determined: I told him he wasn't having any more money but then I weakened.Becoming and making less strong
(Definition of weaken from the Cambridge Learners Dictionary © Cambridge University Press)
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