Definition of powerless adjective from the Oxford Advanced American Dictionary

     

    powerless

     adjective
    adjective
    NAmE//ˈpaʊərləs//
     
     
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  1. 1without power to control or to influence someone or something synonym helpless powerless minorities When the enemy attacked, we were completely powerless against them. As children we all feel powerless.
  2. 2 powerless to do something completely unable to do something I saw what was happening, but I was powerless to help. The embassy seemed powerless to intervene.
powerlessness
 
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noun [uncountable] a feeling/sense of powerlessness
See the Oxford Advanced Learner's Dictionary entry: powerless