Fantasy state in which thinking is removed from reality and logic, sometimes manifested in severe form in schizophrenia.
Undirected fantasy thinking that fails to respect the realities of life. When this becomes markedly dominant it may be a feature of schizoid personality or of schizophrenia.
In psychiatry, activity and thought based on fantasy and wishes rather than logic or reason; over exercise of the imagination to the extent of ignoring reality, as seen in daydreaming.