Word parts

change

black + list

Pronunciation

change

Singular
blacklist

Plural
blacklists

  1. (law) (computing) A blacklist is a list of people or things that is regarded as untrustworthy.
    The software included a lengthy blacklist of disreputable websites to block.

Plain form
blacklist

Third-person singular
blacklists

Past tense
blacklisted

Past participle
blacklisted

Present participle
blacklisting

  1. (transitive) If you blacklist something, you place it on a blacklist.