/ ˈblemɪʃ; NAmE / noun , verb
■ noun
a mark on the skin or on an object that spoils it and makes it look less beautiful or perfect :
make-up to cover blemishes
( figurative )
His reputation is without a blemish.
■ verb
[ vn ] [ usually passive ] ( formal ) to spoil sth that is beautiful or perfect in all other ways
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WORD ORIGIN
late Middle English (as a verb): from Old French ble(s)miss- , lengthened stem of ble(s)mir make pale, injure; probably of Germanic origin.