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

Shaun mowed the greens, sometimes pushing by hand or, when the triplex was working, atop his riding mower. — CBS News, 1 May 2026

Carey previously offered the triplex for rent, listing it last year at $32,500 a month. — Katie Schultz, Architectural Digest, 13 Apr. 2026

Adjective

The plan calls for the 12 condos in four separate three-story, triplex buildings. — Phil Diehl, San Diego Union-Tribune, 20 Oct. 2025

But nearly 30% also cover people acquiring a duplex, triplex or four-plex. — Miami Herald, 15 Jan. 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)