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
Others said that the OP should be less concerned with how her mother-in-law reacted and more concerned with how her future husband responded to the reaction.
—
Toria Sheffield, PEOPLE, 26 Oct. 2025
My mother-in-law, who flies in from out of town, even helps out.
—Lisa Cericola, Southern Living, 26 Oct. 2025
My mother-in-law is a very generous lady.
—Jeanne Phillips, Mercury News, 26 Oct. 2025
Meanwhile, Queen Letizia’s mother-in-law, Queen Sofia, made an appearance at the awards ceremony as well, wearing a regal cream jacket and matching trousers adorned with high-shine embellishments.
—Kelsey Stewart, Footwear News, 25 Oct. 2025
See All Example Sentences for mother-in-law
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Toria Sheffield, PEOPLE, 26 Oct. 2025
My mother-in-law, who flies in from out of town, even helps out.
—Lisa Cericola, Southern Living, 26 Oct. 2025
My mother-in-law is a very generous lady.
—Jeanne Phillips, Mercury News, 26 Oct. 2025
Meanwhile, Queen Letizia’s mother-in-law, Queen Sofia, made an appearance at the awards ceremony as well, wearing a regal cream jacket and matching trousers adorned with high-shine embellishments.
—Kelsey Stewart, Footwear News, 25 Oct. 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 29 Oct. 2025.
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