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

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

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

Electric triplex and walk-behind mowers keep the greens tournament ready without fuel or noise pollution. —Erik Matuszewski, Forbes.com, 18 Sep. 2025

Adjective

The remaining 149 owners will be people of means who might potentially buy the $59 million Unique triplex penthouse rising from floors 63 to 65. —Lilian Raji, Forbes.com, 30 Aug. 2025

Eventually, Streisand gave up and renovated her triplex at the Ardsley on Central Park West, where buildings are known for being far more liberal in their requirements than across the park. —Kim Velsey, Curbed, 13 Aug. 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)