COLOURFAST Synonyms There are 3 synonyms of the word colourfast. (exact relations) There is 0 hypernym of the word colourfast. (close relations)Did you mean?Definition of COLOURFASTAlso try synonyms for..colorcolorscoloredcolorfulcoloringBest Alternative Words for COLOURFASTTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb Expand?WordSave?More Syns..UsageTypecolorfastadjectiveadjadjective satellite • having color that is resistant to fading or runningunfadingadjectiveadjadjective satellite • of an imaginary flower that never fadeslightfastadjectiveadjadjective • Resistant to fading. Alternatives for COLORFAST Words (3)permanentunfadinglightfastAll synonyms for colorfast