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

Keep scrolling for more

Synonyms for triplex

Synonyms: Adjective

Visit the Thesaurus for More 

Examples of triplex in a Sentence

Adjective a triplex house that features a separate apartment on each floor
Recent Examples on the Web: Noun Joseph Razavian, a part-time landlord in Atlanta who works at a software company but owns a duplex and a triplex as investments, is bolstering his reserve fund by putting off nonessential maintenance like fresh paint and new rain gutters. Conor Dougherty, New York Times, "Rents Are Late, and ‘It’s Only Going to Get Worse’," 8 Apr. 2020 The New York Post reports the singer and the model/television personality have paid $7.7 million for a 3,400-square-foot triplex. Neal J. Leitereg, Los Angeles Times, "Hot Property newsletter: Still a good place to park it," 11 Apr. 2020 The latter exemption would cover a home with an accessory dwelling unit or triplex if the owner occupies one unit, Shirkey said. Kathleen Pender,, "What landlords and tenants need to know about California’s new rent-control law," 4 Jan. 2020 There’s Herbert Samuel 48, a multifamily townhouse by the architect Ilan Pivko, consisting of three duplexes and one triplex, topped with an infinity pool and offered at $45 million. Debra Kamin, New York Times, "A ‘Golden Kilometer’ Rises Along Tel Aviv’s Waterfront," 24 Mar. 2020 In Eagle Rock, Peter Hwang bought a triplex and is living with his family in one unit, renting another to a longtime tenant, and advertising the third for short stays. Emily Alpert Reyes, Los Angeles Times, "L.A. hosts fear crackdown on renting out second homes for short stays," 13 Oct. 2019 The Knapps closed on a triplex in the Boise neighborhood of Portland last month. Sarah Chaney, WSJ, "U.S. Existing-Home Sales Wrapped Up 2019 on Solid Note," 22 Jan. 2020 The Jesuit Spiritual Center is appealing the Milford Board of Zoning Appeals decision last year to approve SEM Terrace’s $5.5 million plans to build five duplexes and 10 triplexes on its independent-living campus. Jeanne Houck,, "Next up in Milford: Riverfront development, hotels and a reborn Millcroft Inn," 17 Jan. 2020 For example, Minneapolis now allows duplexes and triplexes on what were formerly single-family-only lots. Eric Kober For Cnn Business Perspectives, CNN, "Our cities don't have enough affordable housing. Changing this policy will help," 6 Jan. 2020 Recent Examples on the Web: Adjective In April 2018, one person was killed in a fire on the 50th floor — just eight floors below Mr. Trump's triplex apartment. Caroline Linton, CBS News, "Lifelong New Yorker Trump moving primary residence to Florida," 31 Oct. 2019 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.

See More

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

Keep scrolling for more

Learn More about triplex

Time Traveler for triplex

Time Traveler

The first known use of triplex was in 1571

See more words from the same year

Statistics for triplex

Last Updated

3 May 2020

Cite this Entry

“Triplex.” Dictionary, Merriam-Webster, Accessed 29 May. 2020.

Keep scrolling for more

More Definitions for triplex


How to pronounce triplex (audio)

English Language Learners Definition of triplex

US : a building that is divided into three separate homes

More from Merriam-Webster on triplex

Thesaurus: All synonyms and antonyms for triplex

Rhyming Dictionary: Words that rhyme with 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).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

May 2020 Words of the Day Quiz

  • a blooming wisteria tree
  • Which is a synonym of exiguous?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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