Brother-out-law

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The brother of one's boyfriend or girlfriend.
  2. 2
    The boyfriend of one's sister or brother.

    "Eust[ace]. My brother Out-lavv, and my ovvne true brother! / Cha[rles]. For euer thus let vs embrace each other."

  3. 3
    The brother of one's ex-spouse.

    "Going home and hanging out with his daughter and brother-in-law, Ex-brother-in-law? Brother-out-law? seemed a whole lot better than whatever was going to happen inside that restaurant."

Example

More examples

"Eust[ace]. My brother Out-lavv, and my ovvne true brother! / Cha[rles]. For euer thus let vs embrace each other."

Etymology

From brother + -out-law, by analogy to brother-in-law.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.