noun
firewall
CEFR C1
a wall built to stop fire spreading, or software that blocks unauthorized network access
In a sentence
Six example sentences with firewall, each labelled with its topic.
The hotel's Wi-Fi firewall blocked my video calls, so I walked to a cafe across the square to phone home.
Travel
Nineteenth-century theaters built a thick brick firewall between stage and seats so a blaze in the scenery could not reach the audience.
History
The studio's firewall rejected every login from the tournament hall until the network team whitelisted the venue's address.
Gaming
The firewall drops every inbound packet on ports the server never opened, and the log shows thousands of attempts a night.
Technology
Building codes require a masonry firewall between attached houses, running from the foundation right through the roofline.
Architecture
After the breach, the company replaced its aging firewall and hired a consultant to review every rule it had accumulated.
Business
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Found in these word lists
- Computer Science Word ListAuthoritative
Each source is a published word list that contains firewall. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.