Fast

/fæst/

Meaning & Definition

noun

A period of time during which one abstains from all or some kinds of food or drink.

During Ramadan, many Muslims observe a fast from dawn to sunset.

Abstinence from food or drink.

After a 24-hour fast, he felt a sense of clarity and focus.

adjective

Moving or capable of moving at high speed.

The fast car zoomed past the slower vehicles on the highway.

Done in a short time; rapid.

She gave a fast reply to the question in the meeting.

Completed or performed quickly.

He made a fast decision without considering all the facts.

adverb

In a quick manner; rapidly.

She runs fast, often winning races against her peers.

Firmly or tightly.

He held on fast to the rope during the climb.

Old English 'fæst', meaning firmly fixed or secure.

fast track

A route or course that is faster than usual.

fast and loose

To act carelessly or irresponsibly, especially regarding the truth.

fast asleep

In a deep sleep.

speed

The rate at which someone or something moves or operates.

hasten

To move or act quickly.

accelerate

To increase in speed.

To be very cool or impressive.

That new skateboard is fast!

To achieve something quickly or efficiently.

Let's get this project done fast.