- nounADJECTIVE▪ conical, flat, gabled, mansard, pitched, pointed, sloped (esp. AmE), sloping, steep▪ corrugated-iron (esp. BrE), corrugated-metal (AmE), glass, metal, slate, steel, thatched, tiled, tin▪ leaky▪ retractable, sun▪ car, church, etc.VERB + ROOF▪ support▪
The roof is supported by stone columns.▪ cover▪
The roof was covered with red clay tiles.ROOF + VERB▪ slope▪
The roof slopes down to the top of the windows.▪ cave in, collapse, fall in▪
Five people were killed when the roof fell in.▪ leakROOF + NOUN▪ space (esp. BrE)▪
The burglars removed tiles to climb into the roof space.▪ covering, slate (esp. BrE), tile▪ beams, rafters, structure, timbers (esp. BrE)▪ top (usually rooftop)▪
A figure appeared on a nearby rooftop.▪ insulation▪ deck (esp. AmE), garden, terrace▪
The hotel has a charming roof garden.▪ rackPREPOSITION▪ in a/the roof▪
There are small windows in the roof.▪ on a/the roof▪
There's a cat on the roof.▪ under your roof (= in your house)▪
I won't have that man under my roof again!PHRASES▪ under one roof, under the same roof (= in the same building)▪
We're good friends but we could never live under the same roof.
Collocations dictionary. 2013.