father-in-law
Americannoun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of father-in-law
First recorded in 1350–1400; Middle English fader in lawe; see origin at father, 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:
Christian Horvath, whose father-in-law lives in Silverado, said as a former Redondo Beach City Council member he understands the challenges of navigating complicated development proposals.
From Los Angeles Times ● Jul. 9, 2026
Nagraj, 46, managed the paid caregivers working at his in-laws’ house while coordinating doctors’ appointments for his father-in-law, and escorting him to them.
From MarketWatch ● Jun. 23, 2026
He has visited with the president on numerous occasions and his father-in-law, Ronald Lauder, is a longtime friend of Trump.
From Barron's ● May 22, 2026
“Sabbir doesn’t want to share with us information about the situation,” said his father-in-law, Kutub Uddin Biswas.
From The Wall Street Journal ● May 9, 2026
If Lavinia was to be won Aeneas could not count on any help from his future father-in-law.
From "Mythology: Timeless Tales of Gods and Heroes" by Edith Hamilton
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Fathers, fathers-in-law, and brothers of current Royals players and staff travel with the group.
From Washington Times ● Jun. 6, 2023
Each of the sons’ fathers-in-law also had accounts at the bank worth millions of dollars, as did other businessmen linked to the Mubaraks, whom Egyptian authorities tried on corruption charges.
From Seattle Times ● Feb. 21, 2022
About 35 to 40 percent of Purush Spandana will be purchased by women, who hope that by casually leaving a copy around the house, their husbands, fathers-in-law or sons may give it a glance.
From New York Times ● Nov. 12, 2012
And Paul finally realizes that his office/apartment/mole cave of blurry boundaries, provocative teenagers and angry fathers-in-law from exotic complicated countries, does not, right now, feel like the best place to raise a 12-year-old.
From Salon ● Nov. 24, 2010
It has become a Calcutta custom for possible fathers-in-law to cross-examine suitors on their text-books; but few boys are able to satisfy the test, however brilliant their acquirements may be.
From Tales of Bengal by Banerjea, S. B.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.