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

Related Articles The 8,000-square-foot triplex occupies part of the American Thread Building at 260 West Broadway, a Renaissance Revival building completed in 1896. — Daniel Cassady, ARTnews.com, 13 Oct. 2026

Along with its full-floor apartments, 660 Park Avenue is home to a 27-room maisonette triplex with its own entrance and address at 666 Park Avenue. — Mark David, Robb Report, 5 Oct. 2026

Adjective

The single triplex building will have 1,202-square-foot units, each with a one car garage. — Don Stacom, Hartford Courant, 14 Oct. 2026

The triplex penthouse is perched high above the Milan skyline, with landscaped terraces. — Hamish Bowles, Vogue, 20 Sep. 2026

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)