criminal conversation

Từ điển WordNet v3.1 - WordNet Dictionary

noun

extramarital sex that willfully and maliciously interferes with marriage relations
- adultery is often cited as grounds for divorce
• Syn:
adultery, fornication
• Derivationally related forms:
adulterous (for: adultery), adulterer (for: adultery)
• Hypernyms:
extramarital sex, free love