WordReference Random House Learner's Dictionary of American English © 2026
col•or•fast /ˈkʌlɚˌfæst/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- Textileskeeping the original color without fading or running after washing: colorfast yarn.
col•or•fast
(kul′ər fast′, -fäst′),USA pronunciation adj.
col′or•fast′ness, n.
- Textilesmaintaining color without fading or running:colorfast textile.
- color + fast1 1925–30
'colorfast' also found in these entries (note: many are not synonyms or translations):