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

Rooms This is a big hotel, with 177 rooms and suites that range in size and shape from the smallest superior rooms to the impressive top-floor penthouse. — Condé Nast, Condé Nast Traveler, 18 Sep. 2026

The penthouse gets the showstopper, a glass atrium that rises nearly 20 feet through the great room. — Abby Montanez, Robb Report, 17 Sep. 2026

The penthouses at the Pagani Residences, which is under construction in the causeway town of North Bay Village, come with a special edition Pagani hypercar worth around $3 million. — Catherine Odom, Miami Herald, 16 Sep. 2026

To everyone’s chagrin, Taylor has smuggled Ben into her penthouse hotel room. — Kathleen Walsh, Vulture, 11 Sep. 2026

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