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 Riviera Maya Edition at Kanai The Sky Rooftop Villa, at 27,000 square feet, is the largest penthouse suite in North America. —Jacqui Gifford, Travel + Leisure, 30 Jan. 2025

Here are all the new maps: Bounty (Launch) Bounty is a new 6v6, medium-sized core map where players will face off against each other in a crime lord's luxurious skyscraper, complete with a penthouse, nightclub, a skylight with breakable glass, and more shiny areas. —Gordon G. Chang, Newsweek, 24 Jan. 2025

Room sizes range from 40 sqm to a sprawling 144 sqm penthouse. —Lauren Mowery, Forbes, 15 Jan. 2025

Then, in July, an unnamed client of hers bought Jennifer Lopez’s Nomad penthouse for $23 million. —Bridget Read, Curbed, 15 Jan. 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

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