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

Featuring the Belle Epoque design style of the hotel (and city of Evian itself), the penthouse is 2,200 square feet across two separate bedrooms and bathrooms, plus a massive living room with a pool table and pre-stocked bar with French wine, Champagne, and, of course, Evian. —Blane Bachelor, Robb Report, 13 Nov. 2025

With little fanfare, the famous salt company earlier this year relocated its headquarters into the top two floors of Building 40 Corporate Woods at 9401 Indian Creek Pkwy, where the penthouse space on the 16th floor offers expansive views overlooking Overland Park. —Kansas City Star, 13 Nov. 2025

The hotel will have 148 guest rooms, including 25 suites and two penthouses. —Regan Stephens, Travel + Leisure, 10 Nov. 2025

When a record-breaking sale of a new penthouse hits her desk, Diane’s questions about the buyer’s identity lead to what could be the story of a lifetime. —Erik Pedersen, Deadline, 7 Nov. 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