blacklist
nounUK /ˈblæklɪst/
US /ˈblæklɪst/
A blacklist is a list of people or things that are not allowed.
The club put the troublemaker on its blacklist.
OTHER MEANINGS
2. To put someone or something on a list of people or things that are not allowed.
The company blacklisted the dishonest worker.
3. A list of people or groups that are avoided or punished.
The school kept a blacklist of students who skipped class.
4. To refuse to work with or deal with someone.
Some shops blacklist customers who never pay.