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[dis-awr-der] /dɪsˈɔr dər/
lack of order or regular arrangement; confusion:
Your room is in utter disorder.
an irregularity:
a disorder in legal proceedings.
breach of order; disorderly conduct; public disturbance.
a disturbance in physical or mental health or functions; malady or dysfunction:
a mild stomach disorder.
verb (used with object)
to destroy the order or regular arrangement of; disarrange.
to derange the physical or mental health or functions of.
1470-80; dis-1 + order
Related forms
predisorder, noun
1. disorderliness, disarray, jumble, litter, clutter. 3. riot, turbulence. Disorder, brawl, disturbance, uproar are disruptions or interruptions of a peaceful situation. Disorder refers to civil unrest or to any scene in which there is confusion or fighting: The police went to the scene of the disorder. A brawl is a noisy, unseemly quarrel, usually in a public place: a tavern brawl. A disturbance is disorder of a size as to inconvenience people: to cause a disturbance. An uproar is a tumult, a bustle and clamor of many voices, often because of a disturbance: a mighty uproar. 4. ailment, malady, illness, complaint, sickness, indisposition. 5. disarray, mess up, disorganize. 6. disturb, upset, confuse. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for disorders
  • Infectious disorders of blood blood is an important vector of infection.
  • Online textbook of endocrinology with chapters on growth and pituitary disorders.
  • He says that such misuse left him with permanent pancreatic disorders.
  • Pws and as represent the first reported instances of imprinting disorders in humans.
  • It is mostly applied to minor street disorders and fighting by urban youth.
  • It is crucial to inform a doctor of any such disorders before taking venlafaxine.
  • It has also been recognized as grafted on to autistic spectrum disorders.
  • Also common were anxiety, feelings of guilt, and emotional disorders.
  • Close supervision of those with substance abuse disorders is urged.
  • Absolution takes away sin, but it does not remedy all the disorders sin has caused.
British Dictionary definitions for disorders


a lack of order; disarray; confusion
a disturbance of public order or peace
an upset of health; ailment
a deviation from the normal system or order
verb (transitive)
to upset the order of; disarrange; muddle
to disturb the health or mind of
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 disorders



late 15c., from dis- "not" (see dis-) + the verb order (v.). Replaced earlier disordeine (mid-14c.), from Old French desordainer, from Medieval Latin disordinare "throw into disorder," from Latin ordinare "to order, regulate" (see ordain). Related: Disordered; disordering.


1520s, from disorder (v.).

Online Etymology Dictionary, © 2010 Douglas Harper
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disorders in Medicine

disorder dis·or·der (dĭs-ôr'dər)
A disturbance or derangement that affects the function of mind or body, such as an eating disorder or the abuse of a drug. v. dis·or·dered, dis·or·der·ing, dis·or·ders
To disturb the normal physical or mental health of; derange.

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