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fast
'fast' - used as an adjective
Synonyms for 'fast'
1. acting or moving or capable of acting or moving quickly
fast film
on the fast track in school
set a fast pace
a fast car
2. (used of timepieces) indicating a time ahead of or later than the correct time
my watch is fast
3. at a rapid tempo
the band played a fast fox trot
4. (of surfaces) conducive to rapid speeds
a fast road
grass courts are faster than clay
5. firmly fastened or secured against opening
windows and doors were all fast
6. resistant to destruction or fading
fast colors
7. unrestrained by convention or morality
fast women
8. hurried and brief
a fast visit
9. securely fixed in place
10. unwavering in devotion to friend or vow or cause
fast friends

'fast' - used as a adverb
11. quickly or rapidly (often used as a combining form)
how fast can he get here?
ran as fast as he could
needs medical help fast
fast-running rivers
fast-breaking news
fast-opening (or fast-closing) shutters
12. firmly or tightly
held fast to the rope
her foot was stuck fast

'fast' - used as a noun
13. abstaining from food

'fast' - used as a verb
14. abstain from certain foods, as for religious or medical reasons
Catholics sometimes fast during Lent
15. abstain from eating
Before the medical exam, you must fast

derived forms
1. Fast / Plural
fasts
2. Fast / Past
fasted
3. Fast / Third Person
fasts
4. Fast / Present Participle
fasting
5. Fast / Comparitive
faster
6. Fast / Superlative
fastest
The following are synonyms for 'fast'. Click on any of them to get both Bibliodata's full list of common definitions and a further set of synonyms.
 
See also
 
Antonym
  • slow
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    Next to bone marrow, hair is the fastest growing tissue in the human body.