A great-grandfather of one's spouse.

The aspect of international law involving the principle of custom.

Alternative form of Betteridge's law

(colloquial, idiomatic, dated) To take legal action against someone.

Alternative form of Christian sharia

The brother of one's boyfriend or girlfriend. / Boyfriend of one's sister or brother. / The brother of one's ex-spouse.

The mother of one's boyfriend or girlfriend. / The mother of any of one's friends. / The mother of one's ex-spouse.

The father of one's boyfriend or girlfriend. / The father of any of one's friends. / The father of one's ex-spouse.

The sister of one's boyfriend or girlfriend. / Girlfriend of one's brother or sister. / The sister of one's ex-spouse.

(US) A statute that decriminalizes the leaving of (unharmed) infants with certain designated private persons so that they become wards of the state.