weakenPronunciation: /ˈwiːk(ə)n/Translate weaken | into French | into German | into Italian | into Spanish Definition of weaken verb make or become weaker in power, resolve, or physical strength: [with object]:fault lines had weakened and shattered the rocks [no object]:his resistance had weakenedDerivatives weakener noun weaken in other Oxford dictionaries Definition of weaken in the US English dictionary
