Definitions

1. adjective

moving or able to move quickly; having a high speed.

“The fast car sped down the highway.”

2. noun

a period of time when a person does not eat; a period of abstinence from food.

“The marathon runner was on a fast of 24 hours before the competition.”

3. noun

a fastening device, typically a hook or a toggle, that is used to attach or detach something, especially a sail or a rope.

“The sailor used a fast to secure the sail in place.”

4. verb

to make or become fast; to secure or attach something firmly.

“Fasten the door before you leave the house.”

5. verb

to abstain from food or drink; to go on a fast.

“She fasted for a day to raise awareness for hunger relief.”

6. adverb

in a short time; soon.

“We will meet fast at 5 pm.”