sister-in-law

Word parts

sister + -in-law

Pronunciation

• (US) enPR: sĭs'tər, IPA ^(key): /ˈsɪs.tɚ.ɪn.lɔ/
• (UK) IPA ^(key): /ˈsɪs.tə.ɪn.lɔː/

• Audio (CA)

  (file)

Noun

Singular sister-in-law

Plural sisters-in-law or sister-in-laws

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