derangement

[ dih-reynj-muh nt ]
/ dɪˈreɪndʒ mənt /

noun

the act of deranging.
disarrangement; disorder.

Origin of derangement

From the French word dérangement, dating back to 1730–40. See derange, -ment
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for derangement

British Dictionary definitions for derangement

derangement

/ (dɪˈreɪndʒmənt) /

noun

the act of deranging or state of being deranged
disorder or confusion
psychiatry a mental disorder or serious mental disturbance

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

Medicine definitions for derangement

derangement

[ dĭ-rānjmənt ]

n.

Disturbance of the regular order or arrangement of parts in a system.
Mental disorder; insanity.

Related formsde•range v.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.