Synonyms of weaken in English:



  • 1 the virus weakened him terribly
    enfeeble, debilitate, incapacitate, sap, enervate, tire, exhaust, wear out;
    wither, cripple, disable, emasculate
  • 2 she tried to weaken the blow for him
    reduce, decrease, diminish, soften, lessen, moderate, temper, dilute, blunt, mitigate
  • 3 our morale weakened
    decrease, dwindle, diminish, wane, ebb, subside, peter out, fizzle out, tail off, decline, falter
  • 4 the move weakened her authority
    impair, undermine, erode, eat away at, compromise;
    invalidate, negate, discredit
  • Definition of weaken in:

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    Word of the day demoralize
    Pronunciation: dəˈmôrəˌlīz
    cause (someone) to lose confidence or hope; dispirit