(~es, ~ing, ~ed)
1.
A ~ is a small mark on something that spoils its appearance.
Every piece is closely scrutinised, and if there is the slightest ~ on it, it is rejected.
N-COUNT
2.
A ~ on something is a small fault in it.
This is the one ~ on an otherwise resounding success.
= imperfection
N-COUNT: oft N on n
3.
If something ~es someone’s character or reputation, it spoils it or makes it seem less good than it was in the past.
He wasn’t about to ~ that pristine record.
= tarnish
VERB: V n