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

Other Words from roof


roofed \ ˈrüft How to pronounce roof (audio) , ˈru̇ft \ adjective
roofless \ ˈrü-​fləs How to pronounce roof (audio) , ˈru̇-​ \ adjective
rooflike \ ˈrüf-​ˌlīk How to pronounce roof (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 Krant indicates that much of this multi-level capitalization starts at an institutional level when financial planning organizations merge with business management firms to bring a potential client’s entire financial portfolio under a single roof. Todd Gilchrist, Variety, 17 Nov. 2021 But Nancy Wood’s battle is a stark illustration of a system that leaves them in Catch-22 situations, with no clear route to getting a roof over their heads, while officials in many cities are intent on shooing them away. Laura Blasey, Los Angeles Times, 17 Nov. 2021 Or maybe even a canine can offer respectful silence to herald the approach of a drier, sounder roof. Maria Shine Stewart, cleveland, 16 Nov. 2021 Two more modular units are expected to arrive this week, and work crews are expected to have the structure erected and with a roof on top of it before Thanksgiving. al, 15 Nov. 2021 Supersonic Red, Wind Chill Pearl, and Celestial Silver Metallic can be paired with a Midnight Black Metallic roof and a rear spoiler. Sebastian Blanco, Car and Driver, 14 Nov. 2021 Charles Blackmon says his home in the Old Fourth Ward is more than a roof and four walls. Ben Brasch, ajc, 13 Nov. 2021 The company’s sensors (such as the 360-degree units that are placed on a vehicle roof) are typically used in prototype self-driving cars and other relatively lower volume applications such as research and development. Trefis Team, Forbes, 10 Nov. 2021 Homeowners get one critical repair for free, either a new roof, furnace or windows. Miriam Marini, Detroit Free Press, 10 Nov. 2021 Recent Examples on the Web: Verb Tile is a key component in residential construction, cladding many homes’ floors, backsplashes and shower surrounds for decades, and more recently expanding to porcelain slab countertops, cabinet fronts, outdoor spaces and even roof surfacing. Jamie Gold, Forbes, 30 Oct. 2021 The Cowboys rarely have the doors and/or roof open for September games. David Moore, Dallas News, 16 Sep. 2020 As The Dallas Morning News' David Moore has reported, the team will likely have air conditioning running for Sunday’s game, making this the first time the A/C has run with the doors and/or roof open. Dallas News, 16 Sep. 2020 Medieval and nineteenth century builders constructed Notre-Dame’s spire and roof out of timbers covered with thin panels of lead. Nora Mcgreevy, Smithsonian Magazine, 3 Aug. 2020 Nicholas, Dave, Janette and John roofed the house and the garage. Milwaukee Journal Sentinel, 9 Jan. 2020 Backes was physical, hard-charging, and roofed a backhand goal on the move in the slot., 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, 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, 16 Oct. 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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Dictionary Entries Near roof

rood tower



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Statistics for roof

Last Updated

21 Nov 2021

Cite this Entry

“Roof.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2021.

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More Definitions for roof



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: The Cross of Lead

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

More from Merriam-Webster on roof

Nglish: Translation of roof for Spanish Speakers

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


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