Living in imagination or fantasy with thoughts that are incongruent with logic or experience. ... (05 Mar 2000) ... 
(de″re-is´tik) directed away from reality; not using normal logic.
Mental activity that is not in accordance with reality, logic, or experience.
Type: Term Pronunciation: dē′rē-is′tik Definitions: 1. Living in imagination or fantasy with thoughts that are incongruent with logic or experience.