Fast - definition, pronunciation, transcription

Amer.  |fæst|  American pronunciation of the word fast
Brit.  |fɑːst|  British pronunciation of the word fast


- abstaining from food (syn: fasting)
- abstain from certain foods, as for religious or medical reasons
- abstain from eating
- (of surfaces) conducive to rapid speeds
- resistant to destruction or fading
- unrestrained by convention or morality (syn: debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous)
- hurried and brief (syn: flying, quick)
- securely fixed in place (syn: firm, immobile)
- unwavering in devotion to friend or vow or cause (syn: firm, loyal)
- (of a photographic lens or emulsion) causing a shortening of exposure time
- quickly or rapidly (often used as a combining form)
- firmly or closely (syn: tight)


She's a very fast runner.

We're off to a fast start.

We're now experiencing a faster rate of inflation.

We took the faster route.

The boss expects this to be done this afternoon, so you'd better work fast.

He ran as fast as he could.

This is fast becoming a national problem.

You need to act fast to take advantage of this offer.

I don't know what caused the accident. It all happened so fast.

She's a woman who can think fast in a crisis.

He's going to have to talk fast to get himself out of this mess.

The window was stuck fast.

She held fast to her belief in justice.

We must stand fast and not surrender!

She always fasts on Yom Kippur.

Word forms

I/you/we/they: fast
he/she/it: fasts
present participle: fasting
past tense: fasted
past participle: fasted
singular: fast
plural: fasts
comparative: faster
superlative: fastest
See also:  WebsterWiktionaryLongman