Dictionary.com
definitions
  • synonyms

parent-in-law

[pair-uh nt-in-law, par-]
See more synonyms on Thesaurus.com
noun, plural par·ents-in-law.
  1. the father or mother of one's wife or husband.

Origin of parent-in-law

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018