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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

Inflected Forms

noun

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.

Thousands of Albanians protested Tuesday against a coastal tourism complex allegedly linked to US President Donald Trump's son-in-law Jared Kushner.

From Barron's • Jun. 2, 2026

Her daughter and son-in-law, who live with her, were on a trip out of state, so she spent most of the day in her car at the evacuation center with the pets.

From Los Angeles Times • May 23, 2026

Over the weekend, he canceled plans for his son-in-law Jared Kushner and Steve Witkoff, a real-estate buddy who lacks any professional diplomatic experience, to resume the discussions sans Vance.

From Slate • May 1, 2026

Donald Trump's special envoy Steve Witkoff and the US president's son-in-law Jared Kushner are heading to Pakistan for peace talks with Iran on Saturday morning, the White House has said.

From BBC • Apr. 24, 2026

Father Mike, her son-in-law and my very own uncle, was by this time back from his years in Greece and serving—in an assistant capacity—at Assumption Greek Orthodox Church.

From "Middlesex: A Novel" by Jeffrey Eugenides

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