mother-in-law

noun

moth·​er-in-law ˈmə-t͟hər-ən-ˌlȯ How to pronounce mother-in-law (audio)
ˈmət͟h-rən-,
ˈmə-t͟hərn-
plural mothers-in-law ˈmə-t͟hər-zən-ˌlȯ How to pronounce mother-in-law (audio)
1
: the mother of one's spouse
2
archaic : stepmother

Examples of mother-in-law in a Sentence

Recent Examples on the Web This mother-in-law’s outrageous request went viral. Charles Trepany, USA TODAY, 27 June 2024 Her no-nonsense mother-in-law Noriko (Judy Ongg) doesn’t help. Bill Goodykoontz, The Arizona Republic, 26 June 2024 My mother-in-law was there, my mother, my father-in-law. Michael Schulman, The New Yorker, 23 June 2024 At one point, Prince William even assisted his mother-in-law when her heel got caught in the grass, causing her foot to slip out of her shoe! Stephanie Petit, Peoplemag, 21 June 2024 See all Example Sentences for mother-in-law 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mother-in-law.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of mother-in-law was in the 14th century

Dictionary Entries Near mother-in-law

Cite this Entry

“Mother-in-law.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mother-in-law. Accessed 5 Jul. 2024.

Kids Definition

mother-in-law

noun
moth·​er-in-law
ˈmət͟h-(ə-)rən-ˌlȯ,
ˈmət͟h-ərn-ˌlȯ
plural mothers-in-law
ˈmət͟h-ər-zən-
: the mother of one's husband or wife

More from Merriam-Webster on mother-in-law

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