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
- annex
- extension
See all Synonyms & Antonyms 
Example Sentences
had a small penthouse built to serve as a toolshed
Recent Examples on the Web Being courted by labels, being put up in penthouse suites at South by Southwest. 
Jia Tolentino, The New Yorker, 11 Sep. 2022 Gary Friedman’s own penthouse occupies the top floor, and is sometimes available for bookings. Alison S. Cohn, Harper's BAZAAR, 8 Sep. 2022 Click here to see all the photos of this Soho penthouse. Abby Montanez, Robb Report, 26 Aug. 2022 Around June of 2020, Clenney signed a lease for the 11th-floor penthouse unit of one of the four residential buildings in the Berkshire Riverview complex in the East Riverside neighborhood of Austin. Andrea Marks, Rolling Stone, 26 Aug. 2022 In the latter half of the book, Wohl takes up Edie’s relationship with Warhol, which began when the pair met at a Central Park South penthouse birthday party for Tennessee Williams. Ella Feldman, Smithsonian Magazine, 18 Aug. 2022 This two-bedroom, two-bath penthouse condo is in a 1912 former school near West Village shops and Gabriel Richard Park. The Week Staff, The Week, 14 Aug. 2022 On the opposite end is Hilton Head Plantation, where in April Jennifer Smith purchased a penthouse condo for $1.975 million, according to public records. Beth Decarbo, WSJ, 3 Aug. 2022 Rooms are large here, including my favorite, the 1,592 sf penthouse offering a king bed, two queen beds, and an optional king bedded room. Jim Dobson, Forbes, 31 July 2022 See More
Jia Tolentino, The New Yorker, 11 Sep. 2022 Gary Friedman’s own penthouse occupies the top floor, and is sometimes available for bookings. Alison S. Cohn, Harper's BAZAAR, 8 Sep. 2022 Click here to see all the photos of this Soho penthouse. Abby Montanez, Robb Report, 26 Aug. 2022 Around June of 2020, Clenney signed a lease for the 11th-floor penthouse unit of one of the four residential buildings in the Berkshire Riverview complex in the East Riverside neighborhood of Austin. Andrea Marks, Rolling Stone, 26 Aug. 2022 In the latter half of the book, Wohl takes up Edie’s relationship with Warhol, which began when the pair met at a Central Park South penthouse birthday party for Tennessee Williams. Ella Feldman, Smithsonian Magazine, 18 Aug. 2022 This two-bedroom, two-bath penthouse condo is in a 1912 former school near West Village shops and Gabriel Richard Park. The Week Staff, The Week, 14 Aug. 2022 On the opposite end is Hilton Head Plantation, where in April Jennifer Smith purchased a penthouse condo for $1.975 million, according to public records. Beth Decarbo, WSJ, 3 Aug. 2022 Rooms are large here, including my favorite, the 1,592 sf penthouse offering a king bed, two queen beds, and an optional king bedded room. Jim Dobson, Forbes, 31 July 2022 See More 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
Kids Definition
penthouse
noun
pent·house ˈpent-ˌhau̇s
: an apartment on the top floor or roof of a building
penthouse
noun
as in addition
a smaller structure added to a main building had a small penthouse built to serve as a toolshed Synonyms & Similar Words
Relevance
- addition
- annex
- wing
- extension
- ell
- arm