Powerlessness or inability; lacking strength, influence, or effectiveness.
病気のせいで体が無力になった。
Because of the illness, my body became weak and powerless.
その提案は現状では無力に思える。
That proposal seems ineffective in the current situation.
政治の場で無力だと感じる市民が増えている。
More citizens feel powerless in the political arena.