Definition

Verb phrase: - To become extremely angry or furious; to express one's anger very loudly and forcefully. - To create an extremely loud noise, often from enthusiastic cheering, celebrating, or music.

Usage

This idiom is used to describe a very strong, often noisy, emotional reaction. It is most commonly used to mean someone is expressing great anger, but it can also describe a scene of great excitement or loud celebration.

Examples

• Meaning: To become very angry

  • My father will raise the roof when he sees the dent in the car.
  • The manager raised the roof after the team missed the deadline.

• Meaning: To create loud noise (from excitement, music, etc.)

  • The band's final song raised the roof of the concert hall.
  • When the home team scored, the fans raised the roof.

Advanced Usage

• The phrase often implies that the anger or noise is so intense it feels as if it could lift the roof off the building.
• It is frequently used in a future tense ("will raise the roof") to predict someone's angry reaction.

Variants and Related Words

• Blow a fuse / Blow one's top: Other idioms meaning to become very angry.
• Go through the roof: Can be a synonym for becoming very angry, or for a price or number increasing very quickly.

Synonyms

• Explode: To suddenly express strong emotion, especially anger.
• Go ballistic: To become extremely angry.
• Cheer wildly: To shout and yell with great enthusiasm (for the celebratory meaning).

Related Idioms

• Hit the ceiling / Hit the roof: Direct synonyms meaning to become very angry.
  • She hit the ceiling when she discovered the mistake.

Verb

1. get very angry
   • He will raise the roof when he hears this