noun
security; peace preservation
Often used in official or institutional contexts, such as public safety, law enforcement, or maintaining order.
警察は地域の保安に努めている。
The police are working to maintain security in the community.
noun, noun which may take the genitive case particle 'no'
Can be used attributively with の to describe safety-related things, such as equipment or standards.
工場では保安基準を厳しく守らなければならない。
Safety standards must be strictly observed in the factory.