Son-out-law

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A live-in boyfriend of one's child.

    "“You also treated Haydar like your own son,” Didace observed. “He was my son-out-law, remember,” Henock prompted."

  2. 2
    The ex-husband of one's child.

    "The parents decided to give their daughter and “son-out-law” the cold shoulder."

Example

More examples

"“You also treated Haydar like your own son,” Didace observed. “He was my son-out-law, remember,” Henock prompted."

Etymology

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

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