triplex

1 of 2

noun

tri·​plex ˈtri-ˌpleks  ˈtrī- 

: 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

Adjective

• triple

Examples of triplex in a Sentence

Adjective

a triplex house that features a separate apartment on each floor

Recent Examples on the Web

Noun

The Dunhills hired Polshek to divide the five-story building into an owner’s triplex with a pair of two-bedroom apartments on the fourth and fifth levels and a small studio on the ground floor. —Adriane Quinlan, Curbed, 28 Nov. 2025

Last year, for example, a seven-bedroom triplex hit the market for $30 million, and a few months later, a nearby penthouse listed for $25 million, with all the proceeds going toward philanthropic efforts in Africa. —Tori Latham, Robb Report, 23 Sep. 2025

Adjective

This triplex apartment features 8,770 square feet of indoor space with five bedrooms, five bathrooms, and two powder rooms. —Celia Fernandez, CNBC, 28 Nov. 2025

Perched at the top of the building, a triplex penthouse spanning more than 3,300 square feet—plus nearly 2,000 square feet of landscaped terraces—embodies Ban’s signature blend of precision and playfulness. —Abby Montanez, Robb Report, 24 Oct. 2025

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

Rhymes for triplex

• annex
• annexe
• apex
• aztecs
• carex
• codecs
• codex
• convex
• cusecs
• duplex
• execs
• fedex

Kids Definition

triplex

1 of 2 adjective

tri·​plex ˈtrip-ˌleks  ˈtrī-ˌpleks 

: triple entry 3 sense 2

triplex

2 of 2 noun

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