high-security
adjective/ˌhaɪ sɪˈkjʊərəti/
/ˌhaɪ sɪˈkjʊrəti/
[only before noun]- (of buildings and places) very carefully locked and guarded
- a high-security prison
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
- (of prisoners) kept in a prison that is very carefully locked and guarded
Check pronunciation:
high-security