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son-in-law

American  
[suhn-in-law] / ˈsʌn ɪnˌlɔ /

noun

  • sons-in-law
    plural
  1. the husband of one's child.


son-in-law British  

noun

  1. 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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of son-in-law

First recorded in 1300–50; Middle English sone in lawe; see origin at son, in, law 1; 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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Josh Kushner, an investor and the brother of President Trump’s son-in-law, and retired Disney CEO Bob Iger came to the rescue.

From The Wall Street Journal Aug. 18, 2026

James II was replaced by a historical anomaly—the joint monarchy of his daughter Mary Stuart and his Dutch son-in-law, William of Orange.

From The Wall Street Journal Aug. 17, 2026

Facebook co-founder Eduardo Saverin, reportedly worth $32 billion, is also a member of the consortium, while the group's frontman --Amit Bhatia -- is the son-in-law of Indian billionaire Lakshmi Mittal.

From Barron's Aug. 14, 2026

Josh Kushner, the brother of US President Donald Trump's son-in-law Jared, and former Disney chief executive Bob Iger are buying the controlling interest in one of the world's most iconic sports teams.

From BBC Aug. 12, 2026

The old woman stood silently for a long moment, then she ran back to her home, grabbed her prepared bag of possessions, and begged her son-in-law to flee with her.

From "When the Sea Turned to Silver" by Grace Lin

Every year, we give each of our daughters and sons-in-law $100 for their birthdays.

From MarketWatch Jul. 1, 2026

Also inside the house with Mr Ezzedine were his wife, sister, daughters, daughter-in-law, sons-in-law and his grandchildren, she said.

From BBC Oct. 23, 2024

The same masters, however, often changed the rules of their guild so that only the sons and sons-in-law of current masters could become masters themselves.

From Textbooks Apr. 19, 2023

Donahue is survived by his wife Andrea and three daughters, Nicole, Michele and Jennifer, in addition to three sons-in-law and 10 grandchildren.

From Los Angeles Times Jul. 4, 2021

PapS assigns the different facts to his sons-in-law.

From "In the Time of the Butterflies" by Julia Alvarez

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