noun, plural roofs.
verb (used with object)
- to increase beyond all expectations: Foreign travel may very well go through the roof next year.
- Also hit the roof,Informal.to lose one's temper; become extremely angry.
- to create a loud noise: The applause raised the roof.
- to complain or protest noisily: He'll raise the roof when he sees that bill.
Origin of roof
noun plural roofs (ruːfs, ruːvz)
- a structure that covers or forms the top of a building
- (in combination)the rooftop
- (as modifier)a roof garden
- to get extremely angry; become furious
- to rise or increase steeply
- to create a boisterous disturbance
- to react or protest heatedly
Word Origin for roof
Old English hrof "roof, ceiling, top, summit; heaven, sky," also figuratively, "highest point of something," from Proto-Germanic *khrofam (cf. Old Frisian rhoof "roof," Middle Dutch roof, rouf "cover, roof," Dutch roef "deckhouse, cabin, coffin-lid," Middle High German rof "penthouse," Old Norse hrof "boat shed").
No apparent connections outside Germanic. "English alone has retained the word in a general sense, for which the other languages use forms corresponding to OE. þæc thatch" [OED]. Roof of the mouth is from late Old English. Raise the roof "create an uproar" is attested from 1860, originally in U.S. Southern dialect.
early 15c., from roof (n.). Related: Roofed; roofing.
go through the roof
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]
Reach new or unexpected heights, as in After the war, food prices went through the roof. [Colloquial; first half of 1900s]
In addition to the idiom beginning with roof
- roof over one's head, a
- go through the roof
- hit the ceiling (roof)
- like a cat on hot bricks (a hot tin roof)
- raise the roof