Origin of usable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unusable
New Jersey Transit has also been affected, with major stations and termini along the coast flooded and unusable.How Long Until New York Gets Back Up and Running?
October 30, 2012
She is ballasted with utilities; not altogether with unusable pig-lead and kentledge.Moby Dick; or The Whale
The second part of this definition is, of course, unusable for beginners.The Teaching of Geometry
David Eugene Smith
One can hardly say that any combination of notes is unusable.
There is so little chance to wash towels that they soon get unusable.A Yankee in the Trenches
R. Derby Holmes
And there it all lies now—unused and unusable for ever—of no earthly service to any one—just like the ruins left by a fire.The Master Builder
- not able or fit to be used
- able to be used
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 unusable
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