결혼한 사람이 배우자가 아닌 사람과 맺는 성적 관계나 행위에 관한.
Occurring outside of marriage, especially in reference to sexual relationships or affairs.
예문:
"The politician's career was ruined after news of his extramarital affair became public."
"She sought counseling to deal with the emotional impact of her partner's extramarital relationship."
"In some cultures, extramarital activities are strictly forbidden by both law and tradition."