0 the fact of people noticing and remembering something that you have done wrong or failed to do: --
It will be a black mark against this country if the rules are allowed to go through.
Reluctance to check the manual file may lead to mistakes because the very existence of the file may be taken as a black mark.
How can he put a black mark against his name?
But can it be said that we are putting a black mark against those trades?
He would have a black mark against him and never again be able to pursue his calling.
It must not be the last remaining black mark.
If we make a protest, or if we take this matter to the referee, there will be a black mark against us.
If a person is convicted of it he has a serious black mark against his character for years.