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 of penthouse

• addition

Examples of penthouse in a Sentence

had a small penthouse built to serve as a toolshed

Recent Examples on the Web

The penthouse occupies the entire third floor, offering three bedrooms, two bathrooms, and an inviting grand salon. —AFAR Media, 30 Dec. 2025

Their new 25,000-square-foot penthouse headquarters reflects the city’s ambition to build workspaces that nourish rather than exhaust. —Matthew Kayser, Miami Herald, 30 Dec. 2025

There are three-bedrooms, including penthouses, which start around $5,800 a month. —Phillip Molnar, San Diego Union-Tribune, 30 Dec. 2025

The top floor would have a penthouse and roof deck, and cars would park in the basement. —Mark Dee, Idaho Statesman, 23 Dec. 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