triplex

1 of 2

noun

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

triplex

2 of 2

adjective

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

Synonyms of triplex

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Adjective

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Examples of triplex in a Sentence

Adjective a triplex house that features a separate apartment on each floor
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Known as Penthouse Nacre, the triplex occupies the eighth, ninth, and tenth floors of the Art Deco landmark in Cap d’Antibes. — Abby Montanez, Robb Report, 24 Oct. 2026 The Nortown was converted from a single-screen theater to a triplex in 1984, and closed in 1990. — Adam Harrington, CBS News, 16 Oct. 2026
Adjective
The triplex maisonette listed for $25 million this week with Ian Slater, Michael Koeneke, and Eduardo Martinex of Trove Partners at Compass. — Demetrius Simms, Robb Report, 16 Oct. 2026 The single triplex building will have 1,202-square-foot units, each with a one car garage. — Don Stacom, Hartford Courant, 14 Oct. 2026 See All Example Sentences for triplex

Word History

Etymology

Adjective

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

First Known Use

Noun

1571, in the meaning defined above

Adjective

1655, in the meaning defined at sense 1

Time Traveler
The first known use of triplex was in 1571

Rhymes for triplex

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Browse Nearby Words

triple valve
triplex
triplex process
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Cite this Entry

“Triplex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triplex. Accessed 1 Nov. 2026.

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Kids Definition

triplex

2 of 2 noun
: something that has three parts (as an apartment with three floors)
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