性行為
せ
い
こ
う
い
Meanings
1
sexual act; sexual intercourse
Formal, clinical term for sexual intercourse or sexual activity. Used in medical, legal, or educational contexts.
It is important to have accurate knowledge about sexual intercourse.
Under this law, non-consensual sexual acts are considered a crime.
Usage patterns
- 〈人〉と性行為をするto have sexual intercourse with someone
Sexual acts with a minor are prohibited by law.
- 性行為に及ぶto go as far as having sex
The two of them ended up having sex that night.
- 性行為を強要するto force someone into a sexual act
He was arrested for coercing a subordinate into a sexual act.