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See more synonyms for casual on Thesaurus.com
  1. happening by chance; fortuitous: a casual meeting.
  2. without definite or serious intention; careless or offhand; passing: a casual remark.
  3. seeming or tending to be indifferent to what is happening; apathetic; unconcerned: a casual, nonchalant air.
  4. without emotional intimacy or commitment: casual sex.
  5. appropriate for wear or use on informal occasions; not dressy: casual clothes; casual wear.
  6. irregular; occasional: a casual visitor.
  7. accidental: a casual mishap.
  8. noting or relating to video games that do not require much skill or time commitment, or noting a player of such games: casual gamers.Compare hard-core(def 6).
  9. Obsolete. uncertain.
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  1. a worker employed only irregularly.
  2. a soldier temporarily at a station or other place of duty, and usually en route to another station.
  3. Usually Disparaging. a person who plays video games that do not require much skill or time commitment.
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Origin of casual

1325–75; Middle English < Latin cāsuālis, equivalent to cāsu(s) case1 + -ālis -al1; replacing Middle English casuel < Middle French < Latin as above
Related formscas·u·al·ly, adverbcas·u·al·ness, nouno·ver·cas·u·al, adjectiveo·ver·cas·u·al·ly, adverbo·ver·cas·u·al·ness, nounul·tra·cas·u·al, adjectiveul·tra·cas·u·al·ly, adverbul·tra·cas·u·al·ness, nounun·cas·u·al, adjectiveun·cas·u·al·ly, adverbun·cas·u·al·ness, noun


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Synonym study

1. See accidental.


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for casually

Contemporary Examples

Historical Examples

  • Side by side with the wonders he described so casually, she was placing the little house.


    Mary Roberts Rinehart

  • They had often met before, but it had been casually, and the hour had not been ripe.

  • Nothing prevented him paying a friendly call to Mr Verloc, casually as it were.

    The Secret Agent

    Joseph Conrad

  • Burnham remarked, much too casually to have deceived anybody but old Sam.

    The Fortune Hunter

    Louis Joseph Vance

  • He glanced at them casually, and went about the business of saddling.

    Good Indian

    B. M. Bower

British Dictionary definitions for casually


  1. happening by accident or chancea casual meeting
  2. offhand; not premeditateda casual remark
  3. shallow or superficiala casual affair
  4. being or seeming unconcerned or apathetiche assumed a casual attitude
  5. (esp of dress) for informal weara casual coat
  6. occasional or irregularcasual visits; a casual labourer
  7. biology another term for adventive
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  1. (usually plural) an informal article of clothing or footwear
  2. an occasional worker
  3. biology another term for an adventive
  4. (usually plural) a young man dressed in expensive casual clothes who goes to football matches in order to start fights
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Derived Formscasually, adverbcasualness, noun

Word Origin

C14: from Late Latin cāsuālis happening by chance, from Latin cāsus event, from cadere to fall; see case 1
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 casually



late 14c., "subject to or produced by chance," from Middle French casuel (15c.), from Late Latin casualis "by chance," from Latin casus "chance, occasion, opportunity; accident, event" (see case (n.1)).

Of persons, in the sense of "not to be depended on, unmethodical," it is attested from 1883; meaning "showing lack of interest" is from 1916. Of clothes, "informal," from 1939. Related: Casually.

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Online Etymology Dictionary, © 2010 Douglas Harper