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Concise Oxford English Dictionary © 2008 Oxford University Press: roof /ruːf/ ▶noun (pl. roofs ) 2 the upper limit or level of prices or wages. ▶verb cover with a roof. ■ function as the roof of.
– phrases go through the roof informal (of prices or figures) reach extreme levels. hit (or go through ) the roof informal suddenly become very angry.
– derivatives roofer noun , roofing noun , roofless adjective .
– origin OE hrōf , of Gmc origin.
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roof ' also found in these Oxford entries:
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