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available

[uh-vey-luh-buh l] /əˈveɪ lə bəl/
adjective
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.
Origin
late Middle English
1425-1475
1425-75; late Middle English; see avail, -able
Related forms
availability, availableness, noun
availably, adverb
interavailability, noun
interavailable, adjective
nonavailability, noun
unavailability, noun
unavailable, adjective
unavailableness, noun
unavailably, adverb
Synonyms
1. accessible, usable, handy.
Antonyms
1. unavailable.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for unavailability
  • Thousands of people die every year because of the unavailability of human organs for transplantation.
  • One reason many students find their graduation dates postponed is because of the unavailability of courses in timely rotations.
  • Its unavailability on home video brings up the inevitable question of the peculiarity of the medium of film.
  • His unavailability sometimes left other partners in the lurch, upsetting their vacation plans.
  • We regret the inconvenience caused by the unavailability of this page.
  • Substance abuse and unavailability or lack of needed services.
British Dictionary definitions for unavailability

available

/əˈveɪləbəl/
adjective
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 character: Smith was a particularly available candidate
Derived Forms
availability, availableness, noun
availably, 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
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Word Origin and History for unavailability
n.

1855, from un- (1) "not" + availability.

available

adj.

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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