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

Their penthouse apartment was still a construction zone, but Chelsea would stop by the concierge desk to collect packages. —Rachel Davies, Architectural Digest, 12 June 2026

Crowning the home is a penthouse-level room flanked by two roof decks with skyline views. —Abby Montanez, Robb Report, 12 June 2026

At 4,850 square feet, the four-bedroom, four-bathroom Royal Suite is one of Paris’s largest and feels like a lavish penthouse with a private balcony and Eiffel Tower views. —Lane Nieset, Travel + Leisure, 12 June 2026

There’s street racing at night, historic circuit racing by day, and one particular stretch where our hero is tasked with stealing a car from a penthouse apartment (with actual on-foot gameplay) while also laying low from police. —Adam Ismail, The Drive, 11 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