mother-in-law
noun
moth·er-in-law
ˈmə-t͟hər-ən-ˌlȯ 
ˈmət͟h-rən-,
ˈmə-t͟hərn-
plural mothers-in-law
ˈmə-t͟hər-zən-ˌlȯ
1
: the mother of one's spouse
2
archaic
: stepmother
Examples of mother-in-law in a Sentence
Recent Examples on the Web
His mother-in-law, dressed in traditional garb, had traveled in from Liberia for the event.
—
Hannah Dreyfus, AZCentral.com, 5 July 2025
Menswear Showing at: Man/Woman Story: Based in South Africa, Man/Woman newcomer Daniel Sher joined his mother-in-law’s apparel manufacturing business, Together MFK, in 2016 before launching his fun, colorful brand.
—Alex Wynne, Footwear News, 4 July 2025
Cupp returned to the residence to have some random brief chat with the POTUS’ mother-in-law Nan Cox (Jane Curtin).
—Tony Maglio, HollywoodReporter, 3 July 2025
The Princess of Wales, 43, went without the sapphire and diamond engagement ring that previously belonged to her late mother-in-law, Princess Diana, a few times last year in favor of a ring stack and sported the ring stack again a few times this year.
—Janine Henni, People.com, 3 July 2025
See All Example Sentences for mother-in-law
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Hannah Dreyfus, AZCentral.com, 5 July 2025
Menswear Showing at: Man/Woman Story: Based in South Africa, Man/Woman newcomer Daniel Sher joined his mother-in-law’s apparel manufacturing business, Together MFK, in 2016 before launching his fun, colorful brand.
—Alex Wynne, Footwear News, 4 July 2025
Cupp returned to the residence to have some random brief chat with the POTUS’ mother-in-law Nan Cox (Jane Curtin).
—Tony Maglio, HollywoodReporter, 3 July 2025
The Princess of Wales, 43, went without the sapphire and diamond engagement ring that previously belonged to her late mother-in-law, Princess Diana, a few times last year in favor of a ring stack and sported the ring stack again a few times this year.
—Janine Henni, People.com, 3 July 2025
See All Example Sentences for 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 8 Jul. 2025.
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