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

In total, 80 Clarkson will have just 112 residences, ranging from two-bedroom to sprawling seven-bedroom homes, with options that include duplexes, half floors, full floors, and penthouses. —Abby Montanez, Robb Report, 23 Mar. 2026

Recently, the council approved a plan to demolish the Regal Edwards Big Newport theater, creating space for twin 22-story residential condos and penthouses. —Erika I. Ritchie, Oc Register, 22 Mar. 2026

The rooms The hotel features 148 rooms, including 25 suites and two penthouses. —Condé Nast, Condé Nast Traveler, 21 Mar. 2026

Recent updates to the penthouse include a new kitchen, new HVAC system, new flooring and refinished hardwood throughout. —Sara B. Hansen, Denver Post, 21 Mar. 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