Meanings of sheer futility in English

She would have lied willingly enough but for the sheer futility of falsehood.

By itself, plainly, it constituted nothing but sheer futility and desolation.

It was the sheer futility of resisting her will that made him do what she wanted.

For the briefest moment I could see he considered running, but then the sheer futility sank in and his shoulders sagged.

I needed a holiday from my school work, a rest, and immediately turned it into sheer futility, every day a disgrace.

But, as research from the Hansard Society showed last year, for voters it confirms everything they believe about the sheer futility of the political world.