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 job involved relocating from Maher’s modest home in upstate New York to Safra’s 20-room penthouse apartment in Monaco. —Lynsey Eidell, PEOPLE, 18 Dec. 2025

Building amenities would include a pool deck, a pool deck bar, outdoor communal spaces, a pickleball court and a penthouse level. —Samuel O'Neal, Fort Worth Star-Telegram, 17 Dec. 2025

At Villa Valencia, the three penthouses — including an entire top-floor unit marketed at a price of $15 million — were either unsold, unfinished or both, preventing Kapoor from paying out antsy investors. —Sarah Blaskey, Miami Herald, 16 Dec. 2025

The penthouse unfolds across roughly 7,700 square feet over three levels, paired with more than 2,800 square feet of private outdoor space spread across three terraces. —Abby Montanez, Robb Report, 12 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