警察 けいさつ
keisatsu

Noun

1. police

その場合 ばあいには警察 けいさつ びなさい。
sono bāiniwa kēsatsuo yobinasai.
In that case, call the police.
Noun

2. police officer

Abbreviation
Related to 警察官
Noun

3. police station

Abbreviation
Related to 警察署
Suffix

4. self-appointed enforcer (of a rule, standard, etc.); busybody; vigilante; gatekeeper

Colloquial