Deprived of color, or given the wrong color; pale, stained.(adjective)
Simple past tense and past participle of discolor.(verb)
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Use "discolored" in a sentence
"And Brett Nelson, whose right eye was still puffy and discolored from the broken cheekbone he got in a fight with teammate LaDarius Halton on"
"The pool itself, muddy and discolored from the sluice boxes, effectually hid what it contained, and it contained John Thornton; for Buck followed his trace into the water, from which no trace led away."
"He gave no heed to her or her words, but remained like one impaled; still, fixed, yet writhing, his features, his whole form and expression discolored, distorted with inward agony."