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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

Built in 1931, this three-story, 2,688-square-foot building in Cobble Hill has one ground-floor commercial unit and one rent-stabilized three-bedroom duplex apartment on the upper floors.

From New York Times Feb. 15, 2022

According to Nigro, Sunday’s fire originated in a duplex apartment spanning the second and third floors.

From Seattle Times Jan. 9, 2022

In fact, his duplex apartment is an absolute mirror of ours.

From "Confessions of a Murder Suspect" by James Patterson

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