"discolored" in the verb sense
1. discolor
lose color or turn colorless
"The painting discolored"
2. discolor
cause to lose or change color
"The detergent discolored my shirts"
3. discolor, discolour, colour, color
change color, often in an undesired manner
"The shirts discolored"
Source: WordNet® (An amazing lexical database of English)
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