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

• addition

Examples of penthouse in a Sentence

had a small penthouse built to serve as a toolshed

Recent Examples on the Web

Within are five bedrooms with their own private terraces, a landscaped patio area and infinity pool—a new penthouse poster child for elevated standards. —Michelle Tchea, Robb Report, 3 July 2025

The sale marked a new record for most expensive penthouse sold in Downtown Nashville. —Molly Davis, The Tennessean, 2 July 2025

Much like Eloise, who lived with her parents in the penthouse suite — along with a pug, a pet turtle and nanny — Marie-Louise grew up mostly at Il Pellicano in Porto Ercole, on the Tuscan coast, which her father bought in 1979. —Samantha Conti, Footwear News, 27 June 2025

The Dallas location has a penthouse bar named Mirador. —Ella Gonzales, Fort Worth Star-Telegram, 27 June 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