Illustration of roof
- 1 gambrel
- 2 mansard
- 3 hip
- 4 lean-to
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
didn't have a roof over my head
they share the same roof
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; roofing; roofs
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
Jackie Charniga, USA Today, 21 Sep. 2025
With a capacity expandable to over 73,000 and a retractable roof, the venue has hosted major events including three Super Bowls and Taylor Swift's Eras tour kickoff.
—Amanda Castro
mandy Taheri
peter Aitken, MSNBC Newsweek, 21 Sep. 2025
Tom Mulherin, Boston Herald, 22 Sep. 2025
The insects can be found in rural or suburban areas and usually hide in the walls or roof crevices of houses and nearby outbuildings.
—Janet Loehrke, USA Today, 20 Sep. 2025
See All Example Sentences for roof
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Noun
One tree fell and a branch cut through their roof, stopping just above their bed.
—Jackie Charniga, USA Today, 21 Sep. 2025
With a capacity expandable to over 73,000 and a retractable roof, the venue has hosted major events including three Super Bowls and Taylor Swift's Eras tour kickoff.
—Amanda Castro
mandy Taheri
peter Aitken, MSNBC Newsweek, 21 Sep. 2025
Verb
Shannon Lane, who eclipsed 100 career points as a sophomore last year, roofed a highlight-reel reverse chip to the top shelf in the first quarter for a 1-0 lead.
—Tom Mulherin, Boston Herald, 22 Sep. 2025
The insects can be found in rural or suburban areas and usually hide in the walls or roof crevices of houses and nearby outbuildings.
—Janet Loehrke, USA Today, 20 Sep. 2025
See All Example Sentences for roof
Cite this Entry
“Roof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roof. Accessed 23 Sep. 2025.
Copy CitationKids Definition
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
roof
2 of 2 verb1
: to cover with or as if with a roof
2
: to provide with roofing
roofer
noun
Medical Definition
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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