absurd

Contrary to reason or propriety; obviously and flatly opposed to manifest truth; inconsistent with the plain dictates of common sense; logically contradictory; nonsensical; ridiculous; silly.

This proffer is absurd and reasonless.

'Tis phrase absurd to call a villain great

Inharmonious; dissonant.

Having no rational or orderly relationship to people's lives; meaningless; lacking order or value.

Adults have condemned them to live in what must seem like an absurd universe.

Dealing with absurdism.

An absurdity.

The opposition between the human search for meaning in life and the inability to find any; the state or condition in which man exists in an irrational universe and his life has no meaning outside of his existence.