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blacklist

banned list / to ban / block list / to exclude
NounTransitive Verb
pl: blacklistspast: blacklistedpp: blacklisteding: blacklisting

This term carries a strong connotation of exclusion and condemnation, often implying a permanent or severe penalty. In professional or political contexts, it suggests a coordinated effort to prevent an individual from finding employment or gaining influence within a specific industry. In the digital realm, the term is used technically to describe automated security measures. It refers to the process of identifying malicious actors or spam sources to protect a network, shifting the focus from social ostracization to technical prevention.

Meanings

Noun

A list of people, companies, or entities that are banned, excluded, or viewed with suspicion.

"The company was placed on a blacklist after the fraud scandal."

Transitive Verb
[~ someone][~ something]

To put a person or entity on a list of people or things to be avoided, banned, or excluded.

"The government decided to blacklist the foreign firm for security reasons."

Noun

A list of prohibited or banned websites, email addresses, or IP addresses used by security software to prevent access.

"The server's IP address ended up on a global spam blacklist."

Transitive Verb
[~ something]

To add a specific digital identifier or address to a list of blocked entities to prevent communication or access.

"The system will automatically blacklist any IP that attempts a brute-force attack."

Related Words

Last Updated: June 13, 2026Report an Error