Definition of brother-in-law in English:


Syllabification: broth·er-in-law

noun (plural brothers-in-law)

  • 1The brother of one’s wife or husband.
    More example sentences
    • Mike picked up the snapshot of the late Mr Piggot, his brother-in-law and the two wives.
    • With his wife and brother-in-law as the shop's operators, Alex is mainly supposed to act as its chief design officer.
    • Women must be honoured and adorned by their fathers, brothers, husbands and brothers-in-law, who desire their own welfare.
  • 1.1The husband of one’s sister or sister-in-law.
    More example sentences
    • She is mourned by her husband Sean, daughters, brothers and sisters, brothers-in-law, sisters-in-law, nieces, nephews, a wide circle of friends and the staff and colleagues at Erkina House.
    • Nora is survived by her husband Michael, son Mark, daughter Sharon, son-in-law, grandchildren, brothers, sisters, brothers-in-law, sisters-in-law, relations and friends.
    • By the time my mother died, all her brothers and sisters, brothers-in-law and sisters-in-law, were dead.

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