colorfast definition by Webster's New World
that will keep its original color without fading or running
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- colorfastness noun
colorfast definition by American Heritage Dictionary
Having color that will not run or fade with washing or wear: a colorfast fabric.
- colˈor·fastˌness noun