mother-in-law
Americannoun
plural
mothers-in-lawnoun
Etymology
Origin of mother-in-law
First recorded in 1350–1400; Middle English moder in lawe; see origin at mother 1 ( def. ), in ( def. ), law 1 ( def. ); 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.
“Wife and mother in law trapped” read one.
From Washington Post • Apr. 20, 2023
Kirsty relied very heavily on her mother in law but it was "an incredible juggle".
From BBC • Dec. 4, 2021
The entire Baquet family - Eddie, Myrtle, his wife, his mother in law, his five boys including Wayne - would live in the back of the bar.
From Washington Times • Mar. 21, 2021
"My mother in law Kris Jenner ... makes the best music playlist," West, 43, tweeted on Tuesday.
From Fox News • Jan. 6, 2021
Tob 10:12 And he said to his daughter, Honour thy father and thy mother in law, which are now thy parents, that I may hear good report of thee.
From Deuterocanonical Books of the Bible Apocrypha by Anonymous
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.