firewall

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Pronunciation[change]

Noun[change]

Singular
firewall

Plural
firewalls

  1. Computer software that can be installed or downloaded to protect the person's computer from viruses, spyware, malware, and other kinds of unwanted junk

Verb[change]

Plain form
firewall

Third-person singular
firewalls

Past tense
firewalled

Past participle
firewalled

Present participle
firewalling

  1. (transitive & intransitive) When you firewall, you set up software to protect your electronic item from viruses.
  2. (transitive) If you firewall someone, you maintain social distance from a manipulative person to avoid manipulative or narcissistic abuse.
    She firewalled her narcissistic stepmother.