Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “roof”

roof

noun [C]    /ruf, rʊf/
the covering that forms the top of a building, vehicle, or other object: The school has a flat roof. The roof of your mouth is the mouth’s upper, inside surface: Peanut butter sticks to the roof of your mouth. roof    /ruf, rʊf/ verb [T] They roofed the house with old-fashioned shingles.
(Definition of roof noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of roof

Definitions of “roof” in other dictionaries

Word of the Day

warm-up

something that you do to prepare yourself for an activity, especially gentle exercises before a physical activity

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More