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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:

Gray is survived by his wife, Stacy Benon Gray; his stepchildren Ryan Cooper and Laurel Cooper; and son-in-law Lee Barker.

From Los Angeles Times ● Oct. 23, 2026

Her son-in-law helped her put $40,000 into an Aviva indexed annuity.

From MarketWatch ● Oct. 20, 2026

When Sabrina Elliott inherited some money, her son-in-law helped her invest $40,000 in a product that dangled the prospect of stock-market gains with no risk of loss.

From The Wall Street Journal ● Oct. 11, 2026

Hamilton is survived by her daughter, a son-in-law, two grandsons and four great-grandchildren, according to MIT.

From BBC ● Oct. 8, 2026

Her son-in-law, who had heard what had happened, felt he had borne enough disgrace.

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

The couple are survived by their daughters, sons-in-law and grandchildren, the trust said.

From BBC ● Jan. 4, 2026

He is also survived by his brother Bud, two devoted sons-in-law Jesse Sisgold and Avi Reiter, and four grandchildren.

From Los Angeles Times ● Jul. 21, 2025

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

“I admire all my three sons-in-law highly,” said he.

From "Pride and Prejudice" by Jane Austen

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