Synonyms and Antonyms for firewall

1. firewall (n.)

(colloquial) the application of maximum thrust

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2. firewall (n.)

a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle

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3. firewall (n.)

(computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet