tri·​plex | \ ˈtri-ˌpleks How to pronounce triplex (audio) , ˈtrī-\

Definition of triplex

 (Entry 1 of 2)

: something (such as an apartment) that is triplex



Definition of triplex (Entry 2 of 2)

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

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Synonyms for triplex

Synonyms: Adjective

threefold, treble, triadic, tripartite, triple

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Examples of triplex in a Sentence


a triplex house that features a separate apartment on each floor

Recent Examples on the Web: Noun

Cities with more than 10,000 people must allow for the construction of less expensive housing options like duplexes, triplexes and townhomes. USA TODAY, "Kacey Musgraves, sneaker flap, skiing in July: News from around our 50 states," 3 July 2019 The triplex penthouse at the top is listed at $50 million. David Lyons,, "Aston Martin’s high rise in Miami will be the tallest residential building south of New York," 28 June 2019 The triplex penthouse is on the market for $50 million and includes an Aston Martin Vulcan two-door sports car, valued at $3.2 million. Candace Taylor, WSJ, "In Miami, There Are Too Many Condos and Not Enough Foreign Buyers," 27 June 2019 For more serious professional-level pressure-washing jobs, consider the Simpson PowerShot gas pressure washer powered by a Honda GX200 engine and industrial triplex plunger pumps with PowerBoost technology and five quick-connect nozzle tips. Paige Szmodis, Popular Mechanics, "Obliterate Grime With Amazon's Pressure Washer Sale," 18 June 2019 The Comp Plan would allow the construction of duplexes and triplexes in areas once reserved for single-family homes, rezoning areas near public transportation for larger apartment buildings, and doing away with parking requirements for new housing. Elliot Kaufman, WSJ, "Housing Deregulation in Progressive Clothes," 21 Dec. 2018 In addition to allowing triplexes, the new rules would allow developers in most residential areas to build four stories high. Patrick Sisson, Curbed, "Here’s what a plan to tackle climate change, density, and affordability looks like," 27 Nov. 2018 Minneapolis 2040 believes the solution is simply more: more construction, more high-rises, and more triplexes. Patrick Sisson, Curbed, "Here’s what a plan to tackle climate change, density, and affordability looks like," 27 Nov. 2018 The official said that smoke reached the building’s upper floors where Mr. Trump’s triplex is, but did not cause damage. William Neuman, New York Times, "Trump Tower Smoke Sensors Alerted Firefighters to Deadly Blaze," 9 Apr. 2018

Recent Examples on the Web: Adjective

The fancy rock, valued at $500,000, is just one of the perks in store for the new owner of the triplex residence atop the Regalia in Sunny Isles Beach. Jennifer Boehm,, "For $39M, Sunny Isles penthouse dazzles with glass elevator, chandelier, diamond keepsake," 27 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'triplex.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of triplex


1571, in the meaning defined above


1655, in the meaning defined at sense 1

History and Etymology for triplex


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

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Statistics for triplex

Last Updated

13 Jul 2019

Look-up Popularity

Time Traveler for triplex

The first known use of triplex was in 1571

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More Definitions for triplex



English Language Learners Definition of triplex

US : a building that is divided into three separate homes

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Rhyming Dictionary: Words that rhyme with triplex

Thesaurus: All synonyms and antonyms for triplex

Comments on triplex

What made you want to look up triplex? Please tell us where you read or heard it (including the quote, if possible).


something desired as essential

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