警察官|けいさつかんkeisatsukan[4]nakadaka (mid-high)

1. nounpolice officer; policeman; policewoman
   警察官けいさつかんがその泥棒どろぼうを逮捕たいほした。↗

   The policeman arrested the thief.

• Synonym警官けいかんNeutralA neutral short form of 「警察官」, very common in news reports, as in 「警官が駆けつける」.
• SynonymおまわりさんCasualAn affectionate everyday term for a patrol officer, often used when speaking to children; official writing and news use 「警察官」 or 「警官」.
• Synonym警察けいさつNeutralRefers to the police as an institution and to the police in general, as in 「警察を呼ぶ」; 「警察官」 denotes an individual officer.
• RelatedおまわりCasualColloquial way to refer to a police officer; more casual than 「お巡りさん」 and, depending on context, can sound disrespectful.
• Antonym犯罪者はんざいしゃNeutralA criminal; stands opposite the police, who maintain public order and catch offenders.
• Antonym泥棒どろぼうNeutralA thief; the counterpart of the police who catch thieves, as in 「警察と泥棒」.

「警察官」 is the formal title; news usually shortens it to 「警官」. In daily speech, 「お巡りさん」 is the friendly term for a patrol officer; 「お巡り」 can sound disrespectful. To call the police, say 「警察を呼ぶ」. 「犯罪者」 and 「泥棒」 are the other side: criminals and thieves.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 警察けいさつ業務ぎょうむを執行しっこうすることを専もっぱらとする官吏かんり。
2. 警察けいさつ予備よび隊たいの隊員たいいんの官名かんめい。