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[dis-awr-guh-nahyzd] /dɪsˈɔr gəˌnaɪzd/
functioning without adequate order, systemization, or planning; uncoordinated:
a woefully disorganized enterprise.
careless or undisciplined; sloppy:
too disorganized a person to be an agreeable roommate.
Origin of disorganized
First recorded in 1805-15; disorganize + -ed2
Related forms
undisorganized, adjective
Can be confused
disorganized, unorganized.
muddled, confused, disorderly, unsystematic.


[dis-awr-guh-nahyz] /dɪsˈɔr gəˌnaɪz/
verb (used with object), disorganized, disorganizing.
to destroy the organization, systematic arrangement, or orderly connection of; throw into confusion or disorder.
Also, especially British, disorganise.
1785-95; < French désorganiser, equivalent to dés- dis-1 + organiser to organize
Related forms
disorganizer, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for disorganized
Contemporary Examples
Historical Examples
  • Shrapnel, case shot, etc., continued to pour from the field-pieces on the heavy masses of disorganized Zulus.

  • My brain, disorganized, reeling with doubt, will madden me to death.

    Saronia Richard Short
  • In no-man's-land these disorganized Germans ran into a British patrol, and again lost heavily, very few escaping from the field.

  • But all the blue forces were broken, disorganized; there came an exhaustion, a lassitude.

    The Long Roll Mary Johnston
  • Through the gate they passed, and met a disorganized band of men-at-arms, archers, and burghers flying before the English.

    Joan of Arc Lucy Foster Madison
British Dictionary definitions for disorganized


(transitive) to disrupt or destroy the arrangement, system, or unity of
Derived Forms
disorganization, disorganisation, noun
disorganizer, disorganiser, noun
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
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Word Origin and History for disorganized



1793, from French désorganiser, from dés- "not" (see dis-) + organiser "organize" (see organize). This word and related forms were introduced in English in reference to the French Revolution. Related: Disorganized; disorganizing; disorganization.

Online Etymology Dictionary, © 2010 Douglas Harper
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