1 of 2


tri·​plex ˈtri-ˌpleks How to pronounce triplex (audio)
: something (such as an apartment) that is triplex


2 of 2


: threefold, triple
triplex windows
: having three apartments, floors, or sections
triplex buildings
triplex apartments
a triplex theater

Examples of triplex in a Sentence

Adjective a triplex house that features a separate apartment on each floor
Recent Examples on the Web
At the apex of the building and up for sale for $42.5 million, a one-of-a-kind triplex combines two penthouses with four bedrooms and four and a half bathrooms dispersed across more than 7,800 square feet. Emma Reynolds, Robb Report, 5 Sep. 2023 Finding that Trump inflated the value of his triplex at Trump Tower by between $114 and $207 million, Engoron called out Trump for describing the property as three times its actual size to support his valuation. Peter Charalambous, ABC News, 29 Sep. 2023 In East Los Angeles, Adams took control of a dilapidated triplex, sold it and tried to bill the estate $530,000 before an angry judge cut the amount by more than half. Liam Dillon, Los Angeles Times, 17 May 2023 Kendall Roy’s Manhattan triplex located at 180 East 88th Street is currently on the market. Kelly Allen, House Beautiful, 21 Apr. 2023 In 2017, The Real Deal picked up a presale filing suggesting a $75 million asking price for a triplex. Curbed, 5 July 2023 The artist figured the triplex would provide steady income as well as help fund her retirement. Janie Har, Fortune, 26 June 2023 Perched atop the Hampshire House building on Billionaires’ Row, this 10,000-square-foot triplex is one of the most iconic residences in all of Manhattan—and construction has yet to begin. Abby Montanez, Robb Report, 29 Dec. 2022 Which leaves the $62 million triplex. Curbed, 6 Oct. 2022
Take, for example, Mr. Trump’s triplex apartment in Trump Tower. William K. Rashbaum, New York Times, 2 Oct. 2023 The 66-story tower is shaped like a gleaming curved sail, with units starting at $6.5 million and climbing to $59 million for the triplex penthouse, which comes with your very own Aston Martin Vulcan, a rare $2.3-million hypercar. Debra Kamin, New York Times, 15 Sep. 2023 The triplex loft features a lower floor with a den, bedroom, and rec room; a main floor with the living room, dining area, kitchen, and bedroom, and an upper floor with an office and primary bedroom. Emma Reynolds, Robb Report, 12 July 2023 The triplex residences range in size from 5,432 to 5,900 square feet and will be priced between $12 million and $13 million, while the duplex penthouses hit the market between $8 million and $10 million and span 4,110 to 4,560 square feet. Emma Reynolds, Robb Report, 13 Jan. 2023 He’s opened up the roof of a triplex in Paris’s Eighth Arrondissement to create a dramatic terrace and entirely reconfigured a narrow, jewel-box-like house in the city’s Invalides area. Ellie Pithers, New York Times, 11 Aug. 2023 The penthouse triplex is swathed in neutrals, including a pink bathroom and a very white kitchen. Curbed, 21 July 2023 There are two triplex penthouses, with this being the largest at 20,000 square feet (including both indoors and outdoors). Emma Reynolds, Robb Report, 26 July 2022 In Miami, duplex and triplex penthouses may be the latest and greatest, but in South Africa’s Cape Town, one architectural team has quietly bested them with a five-level unit overlooking the ocean. Joan Tapper, Robb Report, 12 Mar. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'triplex.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History



Latin, from tri- + -plex -fold — more at -fold

First Known Use


1571, in the meaning defined above


1655, in the meaning defined at sense 1

Time Traveler
The first known use of triplex was in 1571

Dictionary Entries Near triplex

Cite this Entry

“Triplex.” Dictionary, Merriam-Webster, Accessed 29 Nov. 2023.

Kids Definition


1 of 2 adjective


2 of 2 noun
: something that has three parts (as an apartment with three floors)
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!