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Definition bulletproof in British English

bulletproof adjective

adjective
/ˈbʊlɪtˌpruːf/
1

made from a material that stops bullets from passing through

Example

a bulletproof vest/jacket/car

Synonyms and related words
2

designed to be protected from problems or damage

Example

a new bulletproof computer operating system

Synonyms and related words
Definition bulletproof in British English