1) In lala land 2) Psychoneurotic 1) Living a fantasy 2) Neurotic 3) Psychoneurotic 4) Refusing to face reality 
• (a.) Of or pertaining to delusions; as, delusional monomania.
De·lu'sion·al adjective Of or pertaining to delusions; as, delusional monomania. 
Type: Term Pronunciation: dē-lū′zhŭn-ăl Definitions: 1. Relating to a delusion.
having an irrational belief that cannot be changed by a rational argument, often found in schizophrenia and manic-depressive psychosis
[adj] - suffering from or characterized by delusions
adjective suffering from or characterized by delusions