To see Multiple Meanings of
sully
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Multiple Meanings
sully — as in:  sully her reputation

And though in near time we did sleep together (with a genuinely pleasing, if sober, conviviality), I came to think of that first interlude with a somewhat sorrowful fondness, for I saw that our days together were perhaps sullied from the very beginning and all the way through, right up to the last.
Chang-rae Lee  --  A Gesture Life
to spoil or cast doubt upon a reputation — especially one that  was previously unblemished

Less commonly, sully can also mean to spoil or make dirty.
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