blacklist

/ˈblækˌlɪst/
noun
  1. A list of people or things that are considered unacceptable, dangerous, or to be avoided.
    • During the 1950s, many actors were placed on a Hollywood blacklist for their political beliefs.
    • His name was put on a blacklist after he spoke out against the company.
    • The website maintains a blacklist of known spam email addresses.
verb
  1. To put someone or something on a blacklist; to officially reject or exclude.
    • The committee voted to blacklist any supplier that used child labor.
    • The app will blacklist users who violate the terms of service.
    • She was blacklisted from the industry after reporting the scandal.
Synonyms
What does "blacklist" mean? | whatsthatwordmean | whatsthatwordmean