nicht wahrhaben

not accept (as true)

→ nicht
phrase Rare #45,027
not accept (as true) Usually used with wollen: nicht wahrhaben wollen means “to refuse to accept” or “to refuse to face” something.
GE: Sie wollte nicht wahrhaben, dass der Zug schon abgefahren war.
EN: She refused to accept that the train had already left.

Er will das nicht wahrhaben.

He refuses to accept it.

Du willst es nicht wahrhaben, stimmt's?

You don't want to believe it, do you?

Sie will die Realität nicht wahrhaben.

She refuses to accept reality.

— Nowhere in Africa (2001)

Oft ist es einfach so, dass man es nicht wahrhaben will.

Often it's simply a matter of not wanting to believe it.

— Loveless (2017)