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unusable

 - 3 dictionary results

us⋅a⋅ble

[yoo-zuh-buhl]
–adjective
1. available or convenient for use: 2000 square feet of usable office space.
2. capable of being used: That saw is no longer usable.
Also, useable.


Origin:
1350–1400; ME < MF; see use, -able


us⋅a⋅bil⋅i⋅ty, us⋅a⋅ble⋅ness, noun
us⋅a⋅bly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To unusable
un·us·a·ble   (ŭn-yōō'zə-bəl)   
adj.  
  1. That cannot be used: unusable byproducts.

  2. Not fit for use: unusable files on corrupted disks.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

usable 
1382, from O.Fr. usable (1311), from user (see use). Not a common word before c.1840.
Online Etymology Dictionary, © 2001 Douglas Harper
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