delusional

The North has so far rejected Lee's goodwill gestures, calling him "delusional" and a "daydreamer".

"If these folks believe that they are going to grow the revenue by putting this thing on, I think they're delusional. I really do."

Donny is certainly demented, but he’s not nearly delusional enough that he didn’t recognize the single most ham-handed posterior puckering since “this Nobel award” was ever talked about.

How can there be when you have to pay fealty to a delusional dim-wit with the power of a president?

The junta would be "delusional" to think that an election held under the current circumstances will be considered "remotely credible", Human Rights Watch told the BBC earlier this year.