Definition of "psychosis" []

• A severe mental disorder, with or without organic damage, characterized by derangement of personality and loss of contact with reality and causing deterioration of normal social functioning. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I use the term "social psychosis" because a psychosis is a mental state in which a person shows a diminished or loss of a sense of reality."
• "They are too weak to admin failure psychologically, and this psychosis is the very doctrine the reichwing lives under."
• "Being engulfed in psychosis was the best intoxication I ever had."