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

Hermès has launched a new flagship featuring Thailand’s first triplex, while Prada unveiled its first duplex store at IconSiam. —Fairchild Studio, Footwear News, 25 Mar. 2026

Occupying the top three floors of the six-story structure, a flight up from the main entry, the triplex features a trio of bedrooms, three full bathrooms, and a powder room across roughly 2,800 square feet. —Wendy Bowman, Robb Report, 20 Mar. 2026

Adjective

Click here to see all the photos of the triplex penthouse. —Tori Latham, Robb Report, 5 Mar. 2026

The board approved first reading of the annexation along with a preliminary development plan and a conditional use permit to allow triplex buildings at its Tuesday night meeting. —Jenna Ebbers, Kansas City Star, 4 Mar. 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)