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English definition of “colour-fast”

colour-fast

adjective uk   /ˈkʌl.ə.fɑːst/ us    /-ɚ.fæst/
If a piece of clothing or material is colour-fast, its colour will not change or lose brightness when it is washed.Words used to describe textiles
(Definition of colour-fast from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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