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usable

or use·a·ble

[yoo-zuh-buh l]
See more synonyms on Thesaurus.com
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.

Origin of usable

1350–1400; Middle English < Middle French; see use, -able
Related formsus·a·bil·i·ty, us·a·ble·ness, nounuse·a·bil·i·ty, use·a·ble·ness, nounus·a·bly, use·a·bly, adverbnon·re·us·a·ble, non·re·use·a·ble, adjective, nounnon·us·a·ble, non·use·a·ble, adjectivere·us·a·bil·i·ty, re·use·a·bil·i·ty, nounre·us·a·ble, re·use·a·ble, adjectivere·us·a·ble·ness, re·use·a·ble·ness, nounun·us·a·ble, un·use·a·ble, adjectiveun·us·a·ble·ness, un·use·a·ble·ness, nounun·us·a·bly, un·use·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for reusability

usable

useable

adjective
  1. able to be used
Derived Formsusability, useability, usableness or useableness, nounusably or useably, 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 reusability

usable

adj.

late 14c., from Old French usable (early 14c.), from user (see use). Not a common word before c.1840. Related: Usably.

Online Etymology Dictionary, © 2010 Douglas Harper

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