[ suhn-in-law ]
/ ˈsʌn ɪnˌlɔ /
Save This Word!

noun, plural sons-in-law.

the husband of one's child.



Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of son-in-law

First recorded in 1300–50; Middle English sone in lawe; see origin at son, in, law1; from Middle English in-lawe “in law,” i.e., “a person within the regulation and protection of the law,” based on the prohibition by Roman civil law and, later, Christian canon law, of marriages within four degrees of consanguinity, i.e., up to and including first cousins
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for son-in-law

British Dictionary definitions for son-in-law


noun plural sons-in-law

the husband of one's daughter
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
Book Your Online Tutor Now