usable

or use·a·ble

[yoo-zuh-buh l]

adjective

available or convenient for use: 2000 square feet of usable office space.
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

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.