roof

1 of 2

noun

plural roofs ˈrüfs How to pronounce roof (audio)
ˈru̇fs
also ˈrüvz
ˈru̇vz How to pronounce roof (audio)
Synonyms of roofnext
1
a(1)
: the cover of a building
(2)
: material used for a roof : roofing
b
: the roof of a dwelling conventionally designating the home itself
living under my roof [=in my house]
didn't have a roof over my head[=didn't have any place to live]
They all live under the same roof. [=in the same house]
2
a
: the highest point : summit
b
: an upper limit : ceiling
the roof of the cave
3
a
: 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
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

Illustration of roof

Illustration of roof
  • 1 gambrel
  • 2 mansard
  • 3 hip
  • 4 lean-to

roof

2 of 2

verb

roofed; roofing; roofs

transitive verb

1
a
: 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
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
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Hail the size of golf balls or even baseballs is the biggest concern, which could dent cars, shatter windshields and damage roofs. Chris Dolce, CNN Money, 13 Apr. 2026 Redneck points out that it's heightened the XL's front wall by 11 inches (28 cm) as compared to older Freedom models, slacking up the angle of the roof to adjust for it. New Atlas, 13 Apr. 2026
Verb
But Kreider was able to direct a pass to Carlsson, who carried the puck into the Sharks’ zone, danced past winger Ty Dellandrea, and roofed a shot past Askarov. Curtis Pashelka, Mercury News, 10 Apr. 2026 What started as a productivity tool — keeping tech workers on-site for lunch — and later morphed into a recruitment tool for employers, is now pitching itself as an amenity on par with lounges, gyms and roof decks in service of the back-to-office movement. Robert Channick, Chicago Tribune, 9 Apr. 2026 See All Example Sentences for roof

Word History

Etymology

Noun

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

First Known Use

Noun

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

Verb

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

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

Browse Nearby Words

Cite this Entry

“Roof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roof. Accessed 16 Apr. 2026.

Kids Definition

roof

1 of 2 noun
plural roofs ˈrüfs How to pronounce roof (audio) ˈru̇fs How to pronounce roof (audio)
ˈrüvz
ˈru̇vz
1
a
: the upper covering part of a building
b
: a place to live : home
a roof over one's head
2
: the upper boundary of the mouth
3
: something resembling a roof in form, position, or purpose
roofed
ˈrüft How to pronounce roof (audio)
ˈru̇ft
adjective
roofless
ˈrüf-ləs How to pronounce roof (audio)
ˈru̇f-
adjective
rooflike adjective

roof

2 of 2 verb
1
: to cover with or as if with a roof
2
: to provide with roofing
roofer noun

Medical Definition

roof

noun
plural roofs
ˈrüfs, ˈru̇fs also ˈrüvz, ˈru̇vz
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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