penthouse

noun

pent·​house ˈpent-ˌhau̇s 

1

a

: a shed or roof attached to and sloping from a wall or building

b

: a smaller structure joined to a building : annex

2

: a structure or dwelling on the roof or top floor of a building

Synonyms

• addition
• annex
• extension

Examples of penthouse in a Sentence

had a small penthouse built to serve as a toolshed

Recent Examples on the Web

The penthouse Saigon Suite by Giorgetti is the most gallery-worthy of the hotel’s offerings for its fusion of Saigon's ambitious energy and Milan's longstanding design horsepower. —Paul Jebara, Forbes.com, 30 Apr. 2025

The development, which is on the main Sheikh Zayed Road, will offer three- and four-bedroom apartments and penthouses. —Mandy Taheri, MSNBC Newsweek, 30 Apr. 2025

Despite its stature and top-of-the-line amenities, the penthouse has been on and off the market since 2018. —David Caraccio, Sacbee.com, 25 Apr. 2025

Earlier this month, a mixed-use townhouse dubbed the Glass House came up for grabs at $13.8 million, and before that, director M. Night Shyamalan’s former penthouse was listed for $14.5 million. —Demetrius Simms, Robb Report, 23 Apr. 2025

Word History

Etymology

alteration of Middle English pentis, from Anglo-French apentiz, from apent, past participle of apendre, appendre to attach, hang against — more at append

First Known Use

14th century, in the meaning defined at sense 1a

Rhymes for penthouse

• alehouse
• almshouse
• backhouse
• baghouse
• bakehouse
• bathhouse
• bauhaus
• blockhouse
• boathouse
• brewhouse
• bunkhouse
• clubhouse

Kids Definition

penthouse

noun

pent·​house ˈpent-ˌhau̇s 

1

: a sloping roof or a shed attached to a wall or building

2

: a structure (as an apartment) built on the roof of a building