another, other, some other

to encounter; to meet; to come across

寝取られ: (sex) being cuckolded

寝取り: (sex) cuckolding someone

寝取る: (sex) Cuckold. Seduce a woman who has a husband or a boyfriend.

Alternative form of 会う

to have sex with (someone else's spouse or lover); to be in cahoots with (an adulterous, cuckolding or cheating person)

cuckoldry: the state of being cheated on by one's own spouse or lover; the state of being subjected to adultery or cheating

(sex) cuckolding someone

(literary) they (about women or girls)