A2noun1K

Roof

UK /["/ruːf/"]/US /["/ruːf/"]/

Definition

the structure that covers or forms the top of a building or vehicle

In simple words: The top part of a building that covers it.

Examples

  • The roof of the house needs to be repaired before winter.
  • They climbed to the roof to enjoy the view of the city.
  • During the storm, the roof leaked, causing water damage inside.
  • We put a new roof on the garage last summer.
  • He had to replace the roof after the heavy snowfall melted.

Usage notes

Commonly used in everyday conversation about houses and buildings. It's appropriate in both written and spoken English, but might be less formal in technical contexts, like architecture.

Grammar pattern

standalone noun

Memory hint

Think of a 'roof' as a 'roof-Top' that protects you from rain.

Collocations

  • conical
  • flat
  • gabled
  • support
  • cover
  • slope
  • cave in
  • collapse
  • space
  • covering
  • slate
  • in a/​the roof
  • on a/​the roof
  • under your roof
  • under one roof
  • under the same roof

Synonyms

  • canopy
  • cover
  • ceiling
  • top

Antonyms

  • floor

Common mistakes

  • Confused with 'roofs' as a singular form.
  • Using 'roof' when referring to the ceiling inside a building.
  • Mispronouncing it as 'ruff'.