"Pure desperation" refers to a state of extreme hopelessness and despair, when someone feels completely helpless and will do anything to alleviate their suffering or to achieve their goal. Full definition
Is this a good idea or a sign of pure desperation? (cbsnews.com)
If I'm right and I think I am, it is pure desperation on the part of the Conservatives. (susanonthesoapbox.com)
The once - steady marble match soon transforms into a frantic foray of pure desperation as you struggle to match the plethora of multicoloured marbles quick enough. (cubedgamers.com)