from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various conditions characterized by impairment of an individual's normal cognitive, emotional, or behavioral functioning, and caused by social, psychological, biochemical, genetic, or other factors, such as infection or head trauma. Also called emotional illness, mental disease, mental disorder.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The property of being mentally ill; mental disorders taken as a whole.
- n. A mental disorder.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention
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