delusional
//dɪˈluːʒənəl//
Adjective
delusionalCanonical form
more delusionalComparative
most delusionalSuperlative
1
Characterized by or holding false beliefs or judgments about external reality that persist despite evidence to the contrary.
He was delusional, believing he could fly despite all evidence to the contrary.
2
Having unrealistic or unfounded expectations or beliefs, often used informally to describe someone out of touch with reality.
He's delusional if he thinks he can finish this project in one day.