(not in technical use) any disabling mental disorder requiring treatment.
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- nervonic acid,
- nervous bladder,
- nervous exhaustion,
- nervous indigestion,
- nervous lobe,
- nervous nellie,
- nervous system
Origin of nervous breakdown
An Americanism dating back to 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any mental illness not primarily of organic origin in which the patient ceases to function properly, often accompanied by severely impaired concentration, anxiety, insomnia, and lack of self-esteem; used esp of episodes of depression
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
A severe or incapacitating emotional disorder, especially when occurring suddenly and marked by depression.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.