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

• threefold
• treble
• triadic
• tripartite
• 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

The current layout includes a one-bedroom garden apartment (perfect for guests, nannies, or passive income) and a four-bedroom triplex above. —Abby Montanez, Robb Report, 15 Apr. 2025

But neither seem to be major real estate players, although Chen owns multiple properties, and Zhen seems to know a bargain, paying $920,000 in 2018 for 85th Street — a five-bedroom triplex that had been listed at $1.299 million. —Matthew Sedacca, Curbed, 28 Mar. 2025

Adjective

The penthouse, a triplex in the Rosario Candela–designed prewar co-op, has six bedrooms, six and a half bathrooms, six wood-burning fireplaces, and 65 windows with four exposures, as well as terraces on the top two floors. —Kim Velsey, Curbed, 31 Mar. 2025

Click here to see more photos of the triplex apartment in Manhattan. —Tori Latham, Robb Report, 7 Mar. 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)