fast

/fˈɑːst/

/ˈfæst/

[adjective] [adverb] [noun] [verb]

fast

[ADJECTIVE]

having a high speed when moving or doing something

antonyms : slow

at a rapid tempo

antonyms : slow

(used of timepieces) indicating a time ahead of or later than the correct time

antonyms : slow

(of a photographic lens or emulsion) causing a shortening of exposure time

unwavering in devotion to friend or vow or cause

synonyms : fast(a)

firm

loyal

truehearted

securely fixed in place

synonyms : firm

immobile

hurried and brief

synonyms : flying

quick

unrestrained by convention or morality

synonyms : debauched

resistant to destruction or fading

(of surfaces) conducive to rapid speeds

fast

[ADVERB]

in a rapid or quick way

firmly or closely

synonyms : tight

Fast

[NOUN]

abstaining from food

synonyms : fasting

to fast

[VERB]

MAIN VERB

to completely or partially avoid eating or drinking for a period of time, especially because of religious reasons

abstain from certain foods, as for religious or medical reasons

Examples

1. Sales are growing fast.

2. My sister is growing up so fast.

3. Things certainly move fast in the blogosphere.

4. The navigation system suggested a faster route due to traffic.

Nearby words