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fast

/fæst/noun, verb, adjective, adverb1 syllable

Fast means: acting or moving or capable of acting or moving quickly.

Synonyms for fast68

noun, as in abstaining from food

fasting

adjective, as in acting or moving or capable of acting or moving quickly

accelerated, alacritous, blistering, hot, red-hot, double-quick, express, fast-breaking, fast-paced, fleet, swift, high-speed, high-velocity, hurrying
and 10 more, scurrying, immediate, prompt, quick, straightaway, instantaneous, instant, meteoric, speedy, rapid

adjective, as in unrestrained by convention or morality

debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous, immoral

adjective, as in at a rapid tempo

allegro, allegretto, andantino, presto, prestissimo, vivace

adjective, as in unwavering in devotion to friend or vow or cause

firm, loyal, truehearted, faithful

adjective, as in hurried and brief

flying, quick, hurried

adjective, as in securely fixed in place

firm, immobile, fixed

adjective, as in resistant to destruction or fading

impervious, imperviable

adjective, as in (of surfaces) conducive to rapid speeds

smooth

adjective, as in (of a photographic lens or emulsion) causing a shortening of exposure time

causative

adverb, as in firmly or closely

tight

also used for fast

secure, stable, stuck, fortified, impenetrable, light, easy, deep, sound, colour-fast, ahead, gain, slutty, express train, fast train

Includes material from Wiktionary, CC BY-SA 4.0.

Opposites of fast

slow

What does fast mean?15

adjective

1

acting or moving or capable of acting or moving quickly“fast film”

2

unrestrained by convention or morality“Congreve draws a debauched aristocratic society”

3

at a rapid tempo“the band played a fast fox trot”

4

unwavering in devotion to friend or vow or cause“a firm ally”

5

hurried and brief“paid a flying visit”

6

securely fixed in place“the post was still firm after being hit by the car”

7

resistant to destruction or fading“fast colors”

8

(of surfaces) conducive to rapid speeds“a fast road”

9

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

10

(used of timepieces) indicating a time ahead of or later than the correct time“my watch is fast”

noun

1

abstaining from food

adverb

1

firmly or closely“held fast to the rope”

2

quickly or rapidly (often used as a combining form)“how fast can he get here?”

verb

1

abstain from certain foods, as for religious or medical reasons“Catholics sometimes fast during Lent”

2

abstain from eating“Before the medical exam, you must fast”

Definitions from the Open English WordNet, CC BY 4.0.

What rhymes with fast?14

two syllables

surpassedharassedamassed
Show 40 near rhymes
thatashaveatancanhashadthanbackmanambadthankblackthanksfacthalfhandunderstandyeahclassaskactaskedplanchancelandalbankhandsstandtaxmatchaddattackdamnperhapsstaffbegan

Fast in a sentence

  • However fast you run, you won't be in time.Dejo
  • Flee ever so fast, you cannot flee your fortune.DylanTonic
  • No matter how fast you ran, you cannot win.CM
  • Revenues are growing, but not as fast as costs.CM
  • However fast you may walk, you can't catch up with him.Zifre
  • A fast child may win the race, but even a slow child can compete.CM
  • Air travel is fast; sea travel is, however, restful.Zifre
  • Whether you drive fast or slow, drive carefully.Eldad

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

Forms of fast

as a noun

plural
fasts

as a verb

past tense
fasted
present participle
fasting
third-person singular
fasts
past participle
fasted

as a adjective

comparative
faster
superlative
fastest

as a adverb

comparative
faster
superlative
fastest