Synonyms for

Firewall

Verb / ˈfaɪrwɑ:l / Another word for firewall — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

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Synonyms by register

Formal

security barrier network protection access control system data shield

Informal

gatekeeper blocker guard protector

Literary

bulwark rampart bastion

Antonyms

openness access freedom unrestricted unhindered unprotected

Common collocations

  • install a firewall
  • configure a firewall
  • firewall protection
  • network firewall
  • software firewall
  • hardware firewall
  • bypass the firewall
  • firewall rules

Word family

noun firewall
verb firewall

Usage note

Primarily used in computing and network security contexts. The verb form is less common and refers to the act of implementing a firewall.

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