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Synonyms

disorder

American  
[dis-awr-der] / dɪsˈɔr dər /

noun

  1. lack of order or regular arrangement; confusion.

    Your room is in utter disorder.

    Synonyms:
    clutter, litter, jumble, disarray, disorderliness
  2. an irregularity.

    a disorder in legal proceedings.

  3. breach of order; disorderly conduct; public disturbance.

    Synonyms:
    turbulence, riot
  4. a disturbance in physical or mental health or functions; malady or dysfunction.

    a mild stomach disorder.

    Synonyms:
    indisposition, sickness, complaint, illness, malady, ailment

verb (used with object)

  1. to destroy the order or regular arrangement of; disarrange.

    Synonyms:
    disorganize, disarray
  2. to derange the physical or mental health or functions of.

    Synonyms:
    confuse, upset, disturb
disorder British  
/ dɪsˈɔːdə /

noun

  1. a lack of order; disarray; confusion

  2. a disturbance of public order or peace

  3. an upset of health; ailment

  4. a deviation from the normal system or 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

verb

  1. to upset the order of; disarrange; muddle

  2. 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

Related Words

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.

Other Word Forms

  • predisorder noun

Etymology

Origin of disorder

First recorded in 1470–80; dis- 1 + order

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The disorder happened during an approved public procession ahead of the match, which involved about 250 people.

From BBC • Apr. 5, 2026

Her first major contribution to the field of anxiety and fear-based disorders was in the 1970s and ’80s, with a therapy called exposure and response prevention that she used to treat patients with obsessive-compulsive disorder.

From The Wall Street Journal • Apr. 3, 2026

By analyzing around 25,000 sequences from people with schizophrenia and 100,000 from control subjects, the team identified 10 genes where mutations significantly increase the risk of developing the disorder.

From Science Daily • Apr. 3, 2026

Instead, investors flocked to actual gold in the past year amid global disorder, with the outlook for the yellow metal bullish even with prices recently slipping back.

From Barron's • Apr. 3, 2026

“Entropy is the tendency of everything to move toward confusion and disorder as time passes,” he explained.

From "October Sky" by Homer Hickam