deranged

[dih-reynjd]
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Origin of deranged

First recorded in 1780–90; derange + -ed2
Related formsun·de·ranged, adjective

derange

[dih-reynj]
verb (used with object), de·ranged, de·rang·ing.
  1. to throw into disorder; disarrange.
  2. to disturb the condition, action, or function of.
  3. to make insane.

Origin of derange

1770–80; < French déranger, Old French desrengier, equivalent to des- dis-1 + rengier; see range
Related formsde·range·a·ble, adjectivede·rang·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for deranged

derange

verb (tr)
  1. to disturb the order or arrangement of; throw into disorder; disarrange
  2. to disturb the action or operation of
  3. to make insane; drive mad

Word Origin for derange

C18: from Old French desrengier, from des- dis- 1 + reng row, order
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

Word Origin and History for deranged
adj.

c.1790, "insane;" of things, "out of order," from 1796; past participle adjective from derange (v.).

derange

v.

1776, "throw into confusion," from French déranger, from Old French desrengier "disarrange, throw into disorder," from des- "do the opposite of" (see dis-) + Old French rengier (Modern French ranger) "to put into line," from reng "line, row," from a Germanic source (see rank (n.)). Mental sense first recorded c.1790.

Online Etymology Dictionary, © 2010 Douglas Harper