roof

/ru:f/
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roof

The family eats dinner under the roof of their home.

Definition
  1. Noun:

    • The structure forming the upper covering of a building or vehicle: The roof is the top part that provides shelter and protection from weather.
    • The top inner surface of a cavity or hollow space: This refers to the uppermost part inside something, like a cave or the mouth.
    • An upper limit or ceiling (figurative): Used metaphorically to indicate a maximum allowable limit on something.
  2. Verb:

    • To cover or provide a structure with a roof: The action of constructing or installing a roof on a building.
Usage Examples
  • Noun:

    • The rain was loud on the tin roof.
    • We need to repair the roof before winter.
    • The roof of the car was dented in the hail storm.
    • Bats hung from the roof of the cave.
    • The company set a roof on travel expenses to control costs.
  • Verb:

    • They plan to roof the new extension with slate.
    • The gazebo was roofed with thatch.
Advanced Usage
  • "To hit the roof" (idiom): To become very angry.

    • My dad will hit the roof when he sees the broken window.
  • "A roof over one's head" (idiom): Having a place to live; basic shelter.

    • After the flood, they were just grateful to have a roof over their heads.
  • "Under one's roof": In one's house or home.

    • While you are under my roof, you will follow my rules.
Variants and Related Words
  • Roofing (n): The material used for roofs or the process of installing a roof.

    • They chose metal roofing for durability.
  • Roofless (adj): Without a roof; open to the sky.

    • The old castle was roofless and exposed to the elements.
  • Roofed (adj): Having a roof, often specified by type.

    • It was a roofed pavilion.
Synonyms
  • Noun: Ceiling, cover, top, canopy, shelter.
  • Verb: Cover, top, cap, shelter.
Related Phrasal Verbs
  • "Roof in": To cover or enclose an area with a roof.
    • We decided to roof in the patio to make a sunroom.
Related Idioms
  • "The roof of the world": A poetic name for a high mountain region, especially the Pamirs or Tibet.

    • They embarked on an expedition to the roof of the world.
  • "To go through the roof": To rise to a very high level (e.g., prices, temperatures, or anger).

    • Temperatures are expected to go through the roof this weekend.
    • Sales went through the roof after the product was featured online.
roof

The family eats dinner under the roof of their home.

Noun
  1. an upper limit on what is allowed
    • he put a ceiling on the number of women who worked for him
    • there was a roof on salaries
    • they established a cap for prices
  2. the inner top surface of a covered area or hollow space
    • the roof of the cave was very high
    • I could see the roof of the bear's mouth
  3. protective covering on top of a motor vehicle
  4. a protective covering that covers or forms the top of a building
Verb
  1. provide a building with a roof; cover a building with a roof