McMansion

British

/ məkˈmænʃən /

noun

informal a large modern house considered to look mass-produced, lacking in distinguishing characteristics, and at variance with established local architecture

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of McMansion

C20: a corruption of McDonald's , a major American fast-food enterprise noted for the ubiquity of its restaurants

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.

See Examples For:

McMansion

When I called Wagner to ask about this, she urged me to think of the McMansion not as a style of house but as a type of house, encompassing many possible styles.

From Slate ● Mar. 6, 2025

Why, in death, she decided to give her home away, rather than let it be sold and replaced with a multimillion-dollar McMansion.

From Seattle Times ● Oct. 15, 2023

That also changes the McMansion chemistry — somewhat — from a den of backstabbing into a gathering of Aunties Who Party.

From Salon ● Sep. 28, 2023

“The only true wisdom is in knowing you know nothing.” he said, quoting Socrates from inside a Canadian McMansion.

From New York Times ● Jan. 19, 2023

“How can I help you?” he says, like we were about to order a cheeseburger and fries from his McMansion.

From "Dry" by Neal Shusterman and Jarrod Shusterman

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023