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

Luxury condominium towers in Miami now market private slips alongside penthouses. — Miami Herald, 25 July 2026

All are one- or two-bedroom units—including three penthouses—that have soundproofed interiors, airy sitting spaces, and full kitchens. — Condé Nast, Condé Nast Traveler, 24 July 2026

Read on for an overview of the most notable places in Damon’s real estate portfolio, including a record-breaking Brooklyn penthouse. — Katie Schultz, Architectural Digest, 24 July 2026

Mayrlife has 64 rooms, ranging from comfortable doubles to suites, penthouses and even private residences. — Jamie Timson, TheWeek, 24 July 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