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

While the apartment is part of a triplex, the other units were not affected, according to the outlet. —Natalia Senanayake, PEOPLE, 9 Jan. 2026

Shot at family home Ehnes-Giles lived upstairs in a triplex with Jones and their children, and other family members lived downstairs. —Mara H. Gottfried, Twin Cities, 29 Dec. 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)