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 knockout is a seven-bedroom penthouse spanning 8,062 square feet that comes with its own chef, butler, driver, and private entrance. —Todd Plummer, Robb Report, 19 June 2026

The single marks her fifteenth to dominate the chart, and Swift now sits alone in third place on the ranking of artists that have climbed into the penthouse most frequently. —Hugh McIntyre, Forbes.com, 18 June 2026

There’s also a collection of luxury residences and penthouses for longer stays, each, of course, with stunning floor-to-ceiling views of Grace Bay’s turquoise waters. —Condé Nast, Condé Nast Traveler, 18 June 2026

The Siren Hotel has 106 guest rooms, ranging from bunk bed options to luxury penthouse accommodations that have multiple floors. —Midwest Living, 15 June 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