fast
🇺🇸
/fæst/
🇬🇧
/fɑːst/
adjective
A1
moving quickly
He is a fast runner.
A1
happening quickly
Technology grows at a fast rate.
A1
doing something quickly
She is a fast reader.
R
allowing quick movement
This is a fast road.
R
showing a time ahead
The clock is fast.
R
sensitive to light
Use fast film in low light.
R
firmly fixed
The boat is fast.
R
not fading
This color is fast.
adverb
A1
quickly
Run fast!
A1
without delay
He acted fast.
R
doing quickly
The river flows fast.
B2
completely
She is fast asleep.
verb
R
to not eat
They fast for health.
noun
R
a time without eating
He is on a fast.
translation
moving quickly; happening quickly; doing something quickly; allowing quick movement; showing a time ahead; sensitive to light; firmly fixed; not fading
quickly; without delay; doing quickly; completely
to not eat
a time without eating
Word Forms
Comparative
faster
Superlative
fastest
Plural
fasts
Progressive
fasting
Past
fasted