Definition of "colorfast" [colorfast]

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

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Sew Take A Hike offers a WashableLabel Tutorial using printable fabric with tips for making labels colorfast and washable."
• "Most of these products are identified as "colorfast" by the manufacturer."
• "Did you know that beginning in the 1880s women had been willing to pay extra for Turkey Red thread for redwork embroidery because unlike most colors, it was colorfast?"