• synonyms


[uh-vey-luh-buh l]
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  1. suitable or ready for use; of use or service; at hand: I used whatever tools were available.
  2. readily obtainable; accessible: available resources.
  3. having sufficient power or efficacy; valid.
  4. Archaic. efficacious; profitable; advantageous.
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Origin of available

late Middle English word dating back to 1425–75; see origin at avail, -able
Related formsa·vail·a·bil·i·ty, a·vail·a·ble·ness, nouna·vail·a·bly, adverbin·ter·a·vail·a·bil·i·ty, nounin·ter·a·vail·a·ble, adjectivenon·a·vail·a·bil·i·ty, nounun·a·vail·a·bil·i·ty, nounun·a·vail·a·ble, adjectiveun·a·vail·a·ble·ness, nounun·a·vail·a·bly, adverb


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1. accessible, usable, handy.


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

Examples from the Web for unavailable

Contemporary Examples

Historical Examples

  • It had been broken off, and this means of egress was unavailable.

    The Dare Boys of 1776

    Stephen Angus Cox

  • If the photophore is unavailable, a hot-water bottle may be applied.

    The Mother and Her Child

    William S. Sadler

  • I mailed it next day to the Knickerbocker, with stamps for return if unavailable.

    Eben Holden

    Irving Bacheller

  • Three more were unavailable while their damages were being slowly repaired.

    Famous Sea Fights

    John Richard Hale

  • He has been abused about the western banks and the unavailable funds.

British Dictionary definitions for unavailable


  1. not obtainable or accessibleunavailable for comment
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  1. obtainable or accessible; capable of being made use of; at hand
  2. US politics derogatory suitable for public office, usually as a result of having an inoffensive characterSmith was a particularly available candidate
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Derived Formsavailability or availableness, nounavailably, adverb
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 unavailable


1540s, "ineffectual," from un- (1) "not" + available. Meaning "incapable of being used" is recorded from 1855. Unavailing (1660s) has taken up the older sense of the word.

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mid-15c., "beneficial," also "valid, effective, capable of producing the desired effect," from avail + -able. Meaning "at one's disposal, capable of being made use of" is recorded from 1827.

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Online Etymology Dictionary, © 2010 Douglas Harper