through the roof
Having risen to a very high level or amount.
Fuel prices have gone through the roof since last fall.
ADJ
conical, flat, gabled, mansard, pitched, pointed, sloping, steep | corrugated iron, glass, slate, thatched, tiled, tin | car, church, etc.
VERB + ROOF
support
Several wooden beams support the roof of the old barn.
ROOF + VERB
slope
The old barn roof slopes gently toward the front of the building.
cave in, fall in, collapse
The old warehouse roof collapsed during the heavy snowstorm last winter.
leak
ROOF + NOUN
space
We stored our winter decorations in the roof space above the garage.
covering, slate, tile | beams, rafters, structure, timbers | insulation
garden, terrace
We spent the afternoon relaxing on our apartment building's roof terrace with friends.
PREP
in a/the ~
The attic insulation is damaged in the roof and needs to be replaced soon.
on a/the ~
The solar panels on our roof help reduce electricity bills every month.
under your ~
PHRASES
under one/the same roof