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

This summer, an all-new structure at 9 Mulberry Square was unveiled with 48 residences by Eric Parry Architects that range from one-bedroom units to mansion-sized penthouses. —Demetrius Simms, Robb Report, 5 Nov. 2024

November 2023 November 5: Trump erupts at the judge and prosecutors during a New York civil trial where he’s accused of inflating the value of his assets – including the size of his own penthouse apartment – for better terms on loans. —Karissa Waddick, USA TODAY, 5 Nov. 2024

Cad & The Dandy has had an appointment-only bespoke shop in the penthouse of the building off Seventh Avenue since 2018, and that space, which spans two floors and houses the company’s in-house tailor, will remain. —Jean E. Palmieri, WWD, 14 Oct. 2024

In 2009 and 2016, Eric bought two more units on the same floor for $540,000 and $350,000, respectively, merging all three into a nearly 2,400 square foot penthouse that Forbes estimates is worth around $3.7 million today. —Kyle Khan-Mullins, Forbes, 2 Nov. 2024

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