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Having color that will not run or fade with washing or wear: a colorfast fabric.

col′or·fast′ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈkʌl ərˌfæst, -ˌfɑst)

maintaining color without fading or running: colorfast yarn.
col′or•fast`ness, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.colorfast - having color that is resistant to fading or running
imperviable, impervious - not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


Permanently resistive to fading:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Every Unilock product is: durable, made with colorfast pigments, slip resistant, resistant to salt erosion, designed to tolerate oil and gas spills, and backed by our Transferable Lifetime Guarantee.
However, they are consistent, colorfast, and won't shrink when washed.
"colorfast." Mixing primary colors requires careful
Popular in the 1800s, red was the only dye at the time that was colorfast and wouldn't run in the wash.
They then assemble and finish the products in the United States "for uncompromising quality and craftsmanship, delivering durable and colorfast products."
Finished with colorfast dyes, their vibrant colors will look fresh for the life of the garment.
Crittercare is available in a variety of colors and is 100 percent safe and colorfast, as well as biodegradable and earth-friendly.
A piece of approximately 6,000-year-old woven cotton material from Peru gets its blue hue from indigo dye, making it the oldest known example of the colorfast dye's use anywhere, researchers find.
The pillow covers and hand towels depict tiny birds rendered in colorfast paint she formulated on 100-percent cotton fabric made in the Philippines.
The colorants are UV-stable and colorfast, meaning the color will not fade from the end product over time.
Turkey red became widely known as colorfast and a quilt revival occurred as a backlash against the fussiness of Victorian home decor.