in-law

[ in-law ]
/ ˈɪnˌlɔ /

noun

a relative by marriage.

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Origin of in-law

1890–95; back formation from mother-in-law, brother-in-law, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for in-law

British Dictionary definitions for in-law

in-law

noun

a relative by marriage

adjective

(postpositive; in combination) related by marriagea father-in-law

Word Origin for in-law

C19: back formation from father-in-law, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012