Also spelled discoloured and discolouring
verb
Freq #170002
Meanings
-
1
verb
to change color, or cause something to change color, usually in an unwanted way
Strong sunlight can discolor the fabric within a few months.
Thesaurus
Etymology
From Middle English discoloren, through Old French descolorer or discolorer, formed from dis- and color. Its earliest senses concerned removing or spoiling a color rather than simply applying a new one.