\ ˈrüf How to pronounce roof (audio) , ˈru̇f How to pronounce roof (audio) \
plural roofs\ ˈrüfs How to pronounce roofs (audio) , ˈru̇fs also  ˈrüvz , ˈru̇vz How to pronounce roofs (audio) \

Definition of roof

 (Entry 1 of 2)

1a(1) : the cover of a building
(2) : material used for a roof : roofing
b : the roof of a dwelling conventionally designating the home itself didn't have a roof over my head they share the same roof
2a : the highest point : summit
b : an upper limit : ceiling
3a : the vaulted upper boundary of the mouth
b : a covering structure of any of various parts of the body roof of the skull
4 : something suggesting a roof: such as
a : a canopy of leaves and branches
b : the top over the passenger section of a vehicle
through the roof
: to an extremely or excessively high level prices went through the roof


roofed; roofing; roofs

Definition of roof (Entry 2 of 2)

transitive verb

1a : to cover with or as if with a roof
b : to provide with a particular kind of roof or roofing often used in combinationslate-roofed houses
2 : to constitute a roof over

Illustration of roof

Illustration of roof


roof 1a(1): 1 gambrel, 2 mansard, 3 hip, 4 lean-to

In the meaning defined above

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Other Words from roof


roofed \ ˈrüft How to pronounce roofed (audio) , ˈru̇ft \ adjective
roofless \ ˈrü-​fləs How to pronounce roofless (audio) , ˈru̇-​ \ adjective
rooflike \ ˈrüf-​ˌlīk How to pronounce rooflike (audio) , ˈru̇f-​ \ adjective


roofer noun

Examples of roof in a Sentence

Noun the roof of a car The roof of the old barn collapsed. He bit into a hot slice of pizza and burned the roof of his mouth. Verb fed and roofed the emergency volunteers for a week
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Recent Examples on the Web: Noun Budish and Figgie also want to redo the building’s roof and open up a patio. Eric Heisig, cleveland, "Lakewood’s Phantasy concert venue to be crown jewel of LGBTQ entertainment complex," 26 June 2020 Zapantis is in the doorway, partially obscured from view by the officers and an overhanging roof. Evan Simko-bednarski, CNN, "Bipolar man with a sword dies after being tased by NYPD," 25 June 2020 Entrance hole should either be 1 ½ inch round or 1 3/8 by 2 ¼ inch vertically oval in shape, facing east or southeast with an overhanging roof close to the hole. Jennifer Rude Klett, Milwaukee Journal Sentinel, "Ten ways to attract and help bluebirds in Wisconsin," 25 June 2020 Upright sides and grille, level roof, big windows and a wide-opening tailgate. Mark Phelan, Detroit Free Press, "Mercedes’s new small SUV a winner, despite goofy driver-assist feature," 24 June 2020 Tesla joins the crossover ranks by raising the Model 3's roof 7.1 inches to create the Y, and yet the EPA range figure barely budges. Annie White, Car and Driver, "Tested: 2020 Tesla Model Y Long Range Crosses Over Into the Mainstream," 24 June 2020 The library, the quad, the roof of the chapel, where no one is supposed to go and everyone does. Clare Sestanovich, Harper's Magazine, "Annunciation," 23 June 2020 Outside are balconies and an exclusive roof terrace; below are a private boat slip and two covered EV-ready parking spaces. TheWeek, "6 beautiful homes in Fort Lauderdale," 20 June 2020 Like Wrangler, the 2021 Ford Bronco will offer a range of options and features such as removable doors and roof. NBC News, "Debut of new Bronco SUV on O.J. Simpson's birthday is 'pure coincidence,' Ford says," 16 June 2020 Recent Examples on the Web: Verb Nicholas, Dave, Janette and John roofed the house and the garage. Milwaukee Journal Sentinel, "Spiral staircase, 30-foot ceilings are just part of massive duplex overhaul in Washington Heights," 9 Jan. 2020 Backes was physical, hard-charging, and roofed a backhand goal on the move in the slot., "With one date left in their exhibition schedule, the Bruins made their deepest round of roster cuts yet.," 27 Sep. 2019 Zadina converted on a power play in Sunday’s 4-2 loss to the Chicago Blackhawks at United Center, taking the puck and carrying it around the right circle for several seconds before roofing a shot. Helene St. James, Detroit Free Press, "Detroit Red Wings' Filip Zadina a bright spot during miserable season. Here's why," 6 Jan. 2020 Pittsburgh defenseman Justin Schultz lost the puck at the offensive blue and Mikko Rantanen took it the other way, playing give-and-go with MacKinnon before MacKinnon roofed it over the shoulder of goalie Matt Murray. Mike Chambers, The Denver Post, "Avalanche falls short against Penguins, drops first game of season in overtime," 16 Oct. 2019 Dvorak took a feed from linemate Nick Schmaltz, credited with the lone assist on the goal, and roofed a shot over Predators goaltender Juuse Saros. Richard Morin, azcentral, "Phil Kessel scores twice in Arizona Coyotes' rout of Nashville Predators," 18 Oct. 2019 Others associated cottonseed oil with soap or with its emerging industrial uses in dyes, roofing tar and explosives. Helen Zoe Veit, Smithsonian Magazine, "How Crisco Made Americans Believers in Industrial Food," 3 Feb. 2012 The Norwegian skated from the high dot to a near-impossible angle and roofed the puck for a third-period game-winner. Jake Shapiro, The Denver Post, "DU hockey’s strong third period stops skid in win over Colorado College," 13 Dec. 2019 The authority helps finance everything from construction projects to roof repairs., "LYNN — Step into Kaitlyn Lausier’s basement classroom, and years of financial neglect in this once-prospering city can be seen everywhere: the long fluorescent tube lights, the bare brick walls, the flaking radiator that warns in English and Spanish not to touch its scorching sides.," 3 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'roof.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of roof


before the 12th century, in the meaning defined at sense 1a(1)


15th century, in the meaning defined at sense 1a

History and Etymology for roof


Middle English, from Old English hrōf; akin to Old Norse hrōf roof of a boathouse and perhaps to Old Church Slavonic stropŭ roof

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Time Traveler for roof

Time Traveler

The first known use of roof was before the 12th century

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Statistics for roof

Last Updated

29 Jun 2020

Cite this Entry

“Roof.” Dictionary, Merriam-Webster, Accessed 8 Jul. 2020.

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More Definitions for roof


How to pronounce roof (audio) How to pronounce roof (audio)

English Language Learners Definition of roof

 (Entry 1 of 2)

: the cover or top of a building, vehicle, etc.
: the top of the inside of a tunnel, cave, etc.
: the top of the inside of your mouth



English Language Learners Definition of roof (Entry 2 of 2)

: to cover (something, such as a building) with a roof


\ ˈrüf How to pronounce roof (audio) , ˈru̇f \
plural roofs

Kids Definition of roof

 (Entry 1 of 2)

1 : the upper covering part of a building
2 : something like a roof in form, position, or purpose Barely aware of the earth beneath my feet or the roof of trees above …— Avi, Crispin

Other Words from roof

roofed \ ˈrüft , ˈru̇ft \ adjective


roofed; roofing

Kids Definition of roof (Entry 2 of 2)

: to cover with a roof


\ ˈrüf How to pronounce roof (audio) , ˈru̇f How to pronounce roof (audio) \
plural roofs\ ˈrüfs, ˈru̇fs also ˈrüvz, ˈru̇vz \

Medical Definition of roof

1 : the vaulted upper boundary of the mouth supported largely by the palatine bones and limited anteriorly by the dental lamina and posteriorly by the uvula and upper part of the fauces
2 : a covering structure of any of various parts of the body other than the mouth roof of the skull roof of the dental pulp chamber

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More from Merriam-Webster on roof

Thesaurus: All synonyms and antonyms for roof

Rhyming Dictionary: Words that rhyme with roof

Spanish Central: Translation of roof

Nglish: Translation of roof for Spanish Speakers

Britannica English: Translation of roof for Arabic Speakers Encyclopedia article about roof

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