Meaning of fast In English

• 0 moving or happening quickly, or able to move or happen quickly:

  • fast cars

  • a fast swimmer

  • Computers are getting faster all the time.

  • UK The fast train (= one that stops at fewer stations and travels quickly) to London takes less than an hour.

  • It's not a relaxing movie - it's pretty fast and furious.

• 1 without moral principles:

  • a fast crowd

  • a fast woman

• 2 If the colour of a piece of clothing is fast, the colour does not come out of the cloth when it is washed.

• 3 quickly:

  • The accident was caused by people driving too fast in bad conditions.

  • You'll have to act fast.

  • Children's publishing is a fast-growing business.

• 4 firmly fixed:

  • The glue had set and my hand was stuck fast.

  • He tried to get away, but she held him fast.

• 5 a period of time when you eat no food:

  • Hundreds of prisoners began a fast in protest about prison conditions.

• 6 to eat no food for a period of time:

  • One day a week he fasts for health reasons.

• 7 moving or happening quickly or able to move or happen quickly:

  • a fast car

  • The fastest way to get there is by plane.

• 8 connected or attached in a way that is not easily unfastened:

  • Tie the boat fast to the pier.

• 9 to have a period of time when you eat no food:

  • We will be fasting until sundown tomorrow.

• 10 quickly:

  • The accident was caused by people driving too fast in bad conditions.

  • This type of wilderness area is disappearing fast.