roof

roof1 [ ruf ] (plural roofs [ rufs ] or rooves [ ruvz ] ) noun count ***

1. ) the top outer part of a building:

The roof is leaking again.

a thatched roof (=made of straw)

a ) the top outer part of a vehicle:

One man had climbed onto the roof of his car.

b ) the top outer part of a temporary structure:

Rain pattered on the roof of the tent.

2. ) the highest part of an underground area or structure:

rock formations on the roof of the cave

3. ) the hard top part of the inside of your mouth

go through the roof

1. ) INFORMAL to increase quickly to a very high level:

Stock prices have gone through the roof in the past six months.

2. ) INFORMAL to suddenly become extremely angry

raise the roof INFORMAL

1. ) to make a lot of noise:

The commotion raised the roof.

2. ) to complain in an angry noisy way

the roof of the world

used for referring to a very high place such as the top of a mountain

a roof over your head

a place to live:

Some people are struggling to keep a roof over their head.

under someone's roof

in someone's home:

As long as you're living under my roof, you'll do as I say.

under the same roof

in the same home:

They could no longer bear to live under the same roof.

=> HIT1

roof

roof 2 [ ruf ] verb

,roof `over phrasal verb transitive

to cover an area with a roof:

We roofed over our patio last summer.