mother-in-law

Word parts

mother + -in-law

Pronunciation

• (UK) IPA ^(key): /ˈmʌ.ðər.ɪnˌlɔː/
• (US) IPA ^(key): /ˈmʌ.ðər.ɪnˌlɑː/

• Audio (US)

  (file)

Noun

Singular mother-in-law

Plural mothers-in-law or mother-in-laws

1. (countable) A person's mother-in-law is their spouse's mother.