共犯|きょうはんkyouhan[0]heiban (flat)

1. nouncomplicity

• Related共謀きょうぼうNeutralJoint plotting that stresses the advance scheming; 「共犯」 stresses taking part in the crime itself.
• Related共犯関係きょうはんかんけいWrittenFormal term for the relationship between people who commit a crime together; 「共犯」 itself can mean either the act of complicity or the accomplice.
• Related陰謀者いんぼうしゃWrittenFormal word for someone who secretly plots wrongdoing but may never actually carry it out; 「共犯」 means committing the crime together.
• Related共謀者きょうぼうしゃWrittenFormal word for someone who plots a crime with others; it stresses the planning stage rather than the crime itself.
• RelatedグルCasualColloquial slang for a partner in collusion, as in 「グルになる」; keep it to casual speech.
• Related謀議仲間NeutralA descriptive phrase rather than a fixed term, for accomplices who plot together; 「共犯」 means committing the crime together.
• Antonym単独犯たんどくはんNeutralThe opposite of 「共犯」: a crime carried out by one person alone, or that lone offender.

Legally, 「共犯」 covers taking part in a crime together; for prior conspiracy use 「共謀」. In casual speech, being in cahoots is 「グルになる」. A crime committed alone is 「単独犯」.

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

1. 二人ふたり以上いじょうのものが共同きょうどうして犯罪はんざいを行おこなうこと。