Word.ws English Dictionary

brother in law

brother in law is the alternative form of brother-in-law.

Meaning of brother-in-law

Noun

brother-in-law (plural brothers-in-law or (archaic) brethren-in-law or (colloquial, nonstandard) brother-in-laws)

  1. The brother of one's spouse.
    • The US Securities and Exchange Commission has closed its insider trading investigation into stock trades made by then-Sen. Richard Burr and his brother-in-law at the outset of the pandemic, the former senator announced Friday.2023 January 6, Manu Raju, Devan Cole, “SEC closes insider trading probe into former Republican senator”, in CNN, archived from the original on 27 Jan 2023
  2. The husband of one's sibling.
  3. The husband of the sibling of one's spouse.
    • He was appalled by trench conditions and the prolongation of the war, a disillusionment further encouraged by the Easter rising, in which his brother-in-law, Francis Sheehy-Skeffington (qv), was murdered by a deranged Anglo–Irish officer, J. C. Bowen-Colthurst (qv).2009, Donal Lowry, “Kettle, Thomas Michael (‘Tom’)”, in Dictionary of Irish Biography, Cambridge University Press
  4. (uncommon) The brother of the spouse of one's sibling.

Forms of brother in law

pluralbrothers in law

Questions about brother in law

What is brother in law the alternative form of?
Brother in law is the alternative form of brother-in-law.

Words near brother in law in the dictionary

  1. brother
  2. brother chip
  3. brother from another mother
  4. brother german
  5. brother in Christ
  6. brother in law
  7. Brother Jonathan
  8. brother's wife
  9. brother's wives
  10. brother-german
  11. brother-husband

Source and license

Adapted from Wiktionary: brother in law (page history and authors); brother-in-law (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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