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View synonyms for

roof

[ roof, roof ]

noun

plural roofs.
  1. the external upper covering of a house or other building.
  2. a frame for supporting this:

    an open-timbered roof.

  3. the highest part or summit:

    The Himalayas are the roof of the world.

  4. something that in form or position resembles the roof of a house, as the top of a car, the upper part of the mouth, etc.
  5. a house.
  6. Mining. the rock immediately above a horizontal mineral deposit.


verb (used with object)

  1. to provide or cover with a roof.

roof

/ ː /

noun

    1. a structure that covers or forms the top of a building
    2. ( in combination )

      the rooftop

    3. ( as modifier )

      a roof garden

  1. the top covering of a vehicle, oven, or other structure

    the roof of a car

  2. anatomy any structure that covers an organ or part

    the roof of the mouth

  3. a highest or topmost point or part

    Mount Everest is the roof of the world

  4. a house or other shelter

    a poor man's roof

  5. mountaineering the underside of a projecting overhang
  6. hit the roof or go through the roof informal.
    1. to get extremely angry; become furious
    2. to rise or increase steeply
  7. raise the roof
    1. to create a boisterous disturbance
    2. to react or protest heatedly
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. tr to provide or cover with a roof or rooflike part
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˈǴǴڱ, adjective
  • ˈǴǴڱ, noun
  • ˈǴǴˌ, adjective
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Other yvlog Forms

  • ǴǴl adjective
  • ·ǴǴ verb (used with object)
  • -ǴǴڱ adjective
  • ܲd·ǴǴ noun
  • ܲ·ǴǴڱ adjective
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yvlog History and Origins

Origin of roof1

before 900; Middle English (noun); Old English ō; cognate with Dutch roef cover, cabin, Old Norse ō
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yvlog History and Origins

Origin of roof1

Old English ō ; related to Middle Dutch, Old Norse ō
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Idioms and Phrases

  1. go through the roof,
    1. to increase beyond all expectations:

      Foreign travel may very well go through the roof next year.

    2. Also hit the roof, Informal. to lose one's temper; become extremely angry.
  2. raise the roof, Informal.
    1. to create a loud noise:

      The applause raised the roof.

    2. to complain or protest noisily:

      He'll raise the roof when he sees that bill.

More idioms and phrases containing roof

In addition to the idiom beginning with roof , also see go through the roof ; hit the ceiling (roof) ; like a cat on hot bricks (a hot tin roof) ; raise the roof .
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Example Sentences

Examples have not been reviewed.

For now the cottages stand idle by the glass-walled motel office and its rakishly tilted roof.

From

"I think the one thing as a parent, you just put a roof over your children's head," Sam said.

From

The inside of the former Victorian toilet block has now been transformed - with fresh painting, new flooring, a brand new roof and heating being installed.

From

Members of the public will soon be able to see the rarely-seen view from the roof of Blenheim Palace.

From

The roof of the emergency room had collapsed.

From

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What Is The Plural Of Roof?

Plural word for roof

The plural form of roof is roofs (not rooves). Roof is not pluralized by replacing the -f ending with -ves, as is done in many other words ending in -f, such as shelf/shelves, scarf/scarves, and hoof/ǴDZ.

The word roof comes from Old English, and like many Old English-derived words ending in -f, it initially had two plural forms: roofs and rooves. It’s not clear why rooves dropped out of use. It might be simply because we don’t use the plural form of roof very often, compared to more common words like leaf/leaves. Other examples of this pluralization pattern include proof/proofs, chief/chiefs, and brief/briefs.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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