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English adjective: fast

1. fast acting or moving or capable of acting or moving quickly


SamplesFast film.
On the fast track in school.
Set a fast pace.
A fast car.


Similaraccelerated, alacritous, blistering, double-quick, express, fast-breaking, fast-paced, fleet, high-speed, high-velocity, hot, hurrying, immediate, instant, instantaneous, meteoric, prompt, quick, quick, rapid, rapid, red-hot, scurrying, smart, speedy, speedy, straightaway, swift, windy, winged


See alsohurried, sudden


Attributefastness, speed, swiftness


Antonymsslow

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


SamplesMy watch is fast.


Antonymsslow

3. fast at a rapid tempo


SamplesThe band played a fast fox trot.


Similarallegretto, allegro, andantino, prestissimo, presto, vivace


Domain categorymusic


Antonymsslow

4. fast (of surfaces) conducive to rapid speeds


SamplesA fast road.
Grass courts are faster than clay.


Similarsmooth


Antonymsrough, unsmooth

5. fast resistant to destruction or fading


SamplesFast colors.


Similarimperviable, impervious


Antonymspervious

6. fast unrestrained by convention or morality


SamplesCongreve draws a debauched aristocratic society.
Deplorably dissipated and degraded.
Riotous living.
Fast women.


Synonymsdebauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous


Similarimmoral


Antonymsmoral

7. fast hurried and brief


SamplesPaid a flying visit.
Took a flying glance at the book.
A quick inspection.
A fast visit.


Synonymsflying, quick


Similarhurried


Antonymsunhurried

8. fast securely fixed in place


SamplesThe post was still firm after being hit by the car.


Synonymsfirm, immobile


Similarfixed


Antonymsunfixed

9. fast unwavering in devotion to friend or vow or cause


SamplesA firm ally.
Loyal supporters.
The true-hearted soldier...of Tippecanoe.
Fast friends.


Synonymsfirm, loyal, truehearted


Similarfaithful


Antonymsunfaithful

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


SamplesA fast lens.


Similarcausative


Antonymsnoncausal, noncausative


English noun: fast

1. fast (act) abstaining from food


Synonymsfasting


Broader (hypernym)abstinence


Narrower (hyponym)diet, dieting, hunger strike, Ramadan


English adverb: fast

1. fast quickly or rapidly (often used as a combining form)


SamplesHow 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.

2. fast firmly or closely


SamplesHeld fast to the rope.
Her foot was stuck fast.
Held tight.


Synonymstight


English verb: fast

1. fast (consumption) abstain from certain foods, as for religious or medical reasons


SamplesCatholics sometimes fast during Lent.


Pattern of useSomebody ----s


Broader (hypernym)abstain, desist, refrain


Narrower (hyponym)diet

2. fast (consumption) abstain from eating


SamplesBefore the medical exam, you must fast.


Pattern of useSomebody ----s


Broader (hypernym)abstain, desist, refrain


Narrower (hyponym)diet









Based on WordNet 3.0 copyright © Princeton University.
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