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go through the roof

 - 6 dictionary results

roof

[roof, roof] noun, plural roofs, verb
–noun
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)
7. to provide or cover with a roof.
8. go through the roof,
a. to increase beyond all expectations: Foreign travel may very well go through the roof next year.
b. Also, hit the roof, Informal. to lose one's temper; become extremely angry.
9. raise the roof, Informal.
a. to create a loud noise: The applause raised the roof.
b. to complain or protest noisily: He'll raise the roof when he sees that bill.

Origin:
bef. 900; ME (n.); OE hrōf; c. D roef cover, cabin, ON hrōf


rooflike, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To go through the roof
roof   (rōōf, rŏŏf)   
n.  
    1. The exterior surface and its supporting structures on the top of a building.

    2. The upper exterior surface of a dwelling as a symbol of the home itself: three generations living under one roof.

  1. The top covering of something: the roof of a car.

  2. The upper surface of an anatomical structure, especially one having a vaulted inner structure: the roof of the mouth.

  3. The highest point or limit; the summit or ceiling: A roof on prices is needed to keep our customers happy.

tr.v.   roofed, roof·ing, roofs
To furnish or cover with or as if with a roof.

[Middle English, from Old English hrōf.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

roof 
O.E. hrof "roof, ceiling, top," from P.Gmc. *khrofaz (cf. O.Fris. rhoof "roof," M.Du. roof "cover, roof," Du. roef "deckhouse, cabin, coffin-lid," M.H.G. rof "penthouse," O.N. hrof "boat shed"). No apparent connections outside Gmc. "English alone has retained the word in a general sense, for which the other languages use forms corresponding to OE. þæc thatch" [OED]. The verb is from c.1475. Roof of the mouth is from late O.E. Raise the roof "create an uproar" is attested from 1860, originally in Southern Amer.Eng. Roofer "one who makes or repairs roofs" is from 1855.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: roof
Pronunciation: 'rüf, 'ruf
Function: noun
Inflected Form: plural roofs /'rüfs, 'rufs also 'rüvz,'ruvz/
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 upperpart 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>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

roof (r&oomacr;f, r&oobreve;f)
n.
The upper surface of an anatomical structure, especially one having a vaulted inner structure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Idioms & Phrases

go through the roof

  1. Also, hit the ceiling or roof. Lose one's temper, become very angry, as in Marge went through the roof when she heard she'd been fired. [Colloquial; first half of 1900s]

  2. Reach new or unexpected heights, as in After the war, food prices went through the roof. [Colloquial; first half of 1900s]

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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