mother-in-law apartment
noun
US
: a small apartment that is part of or next to a house and that is used especially as a place for an older relative to live
Examples of mother-in-law apartment in a Sentence
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One of Gantt’s jobs involved taking a 2,000- square-foot, three-bedroom, two-bath house and adding a mother-in-law apartment.
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Dawn McMullan, Dallas News, 23 Mar. 2023
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Dawn McMullan, Dallas News, 23 Mar. 2023
Cite this Entry
“Mother-in-law apartment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mother-in-law%20apartment. Accessed 8 Jul. 2025.
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