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Synonyms

duplex apartment

American  

noun

  1. an apartment with rooms on two connected floors.


duplex apartment British  

noun

  1. an apartment on two floors

"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 duplex apartment

An Americanism dating back to 1935–40

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:

Billionaire Citadel founder and CEO Ken Griffin has reportedly expanded his enormous international property portfolio with the addition of a $38 million duplex apartment inside a storied New York City apartment building.

From MarketWatch Apr. 22, 2026

In early March, I defended my PhD dissertation to a crowd of professors, and, days later, we hosted a baby shower in our cramped duplex apartment.

From Salon Mar. 27, 2022

Dozens more victims were hurt when the fire broke out in a duplex apartment of a 19-story building at 333 East 181st Street in the Bronx’s Fordham Heights neighborhood.

From Fox News Jan. 11, 2022

The Ginsburgs lived in a duplex apartment at the Watergate, next to the Kennedy Center for the Performing Arts, where they frequently attended the opera and ballet.

From Seattle Times Sep. 18, 2020

This side faces a big duplex apartment house.

From "Things Not Seen" by Andrew Clements

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