Synonyms for fast
fæst, fɑst

Princeton's WordNet(1.00 / 4 votes)Rate these synonyms:

1. fast, fasting(adj)

   abstaining from food

   Synonyms:
   fasting

   Antonyms:
   rough, bumper-to-bumper, long-playing, moral, lentissimo, sulky, slow, moderato, pervious, dilatory, largo, unhurried, lento, poky, slow-moving, unsmooth, andante, drawn-out, laggard, noncausal, noncausative, lazy, larghetto, sluggish, unfaithful, pokey, adagio, larghissimo, unfixed, long-play

2. fast(adj)

   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"

   Synonyms:
   profligate, libertine, loyal, debauched, fast(a), dissolute, riotous, truehearted, dissipated, quick, flying, degenerate, firm, degraded, immobile

   Antonyms:
   sulky, unsmooth, largo, lazy, slow, noncausative, bumper-to-bumper, pokey, long-play, larghetto, slow-moving, unfixed, poky, noncausal, pervious, adagio, moral, long-playing, moderato, larghissimo, lentissimo, laggard, rough, sluggish, unhurried, lento, unfaithful, andante, drawn-out, dilatory

3. fast(adj)

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

   "my watch is fast"

   Synonyms:
   profligate, libertine, loyal, debauched, fast(a), dissolute, riotous, truehearted, dissipated, quick, flying, degenerate, firm, degraded, immobile

   Antonyms:
   drawn-out, lentissimo, moderato, larghissimo, slow, pervious, rough, unsmooth, sulky, laggard, unfixed, moral, noncausative, sluggish, adagio, pokey, dilatory, lazy, bumper-to-bumper, unfaithful, largo, noncausal, poky, long-play, unhurried, larghetto, long-playing, slow-moving, andante, lento

4. fast(adj)

   at a rapid tempo

   "the band played a fast fox trot"

   Synonyms:
   profligate, libertine, loyal, debauched, fast(a), dissolute, riotous, truehearted, dissipated, quick, flying, degenerate, firm, degraded, immobile

   Antonyms:
   lentissimo, largo, dilatory, adagio, slow, unsmooth, noncausal, pokey, pervious, unfixed, unfaithful, drawn-out, unhurried, larghetto, laggard, poky, noncausative, long-play, lazy, lento, moderato, larghissimo, long-playing, sulky, andante, slow-moving, rough, bumper-to-bumper, sluggish, moral

5. fast(adj)

   (of surfaces) conducive to rapid speeds

   "a fast road"; "grass courts are faster than clay"

   Synonyms:
   profligate, libertine, loyal, debauched, fast(a), dissolute, riotous, truehearted, dissipated, quick, flying, degenerate, firm, degraded, immobile

   Antonyms:
   poky, lento, long-play, lentissimo, sulky, long-playing, moderato, pervious, dilatory, sluggish, pokey, slow, unhurried, laggard, slow-moving, drawn-out, bumper-to-bumper, larghissimo, largo, rough, lazy, noncausative, unsmooth, noncausal, unfaithful, larghetto, andante, moral, unfixed, adagio

6. fast(adj)

   resistant to destruction or fading

   "fast colors"

   Synonyms:
   profligate, libertine, loyal, debauched, fast(a), dissolute, riotous, truehearted, dissipated, quick, flying, degenerate, firm, degraded, immobile

   Antonyms:
   slow, unsmooth, dilatory, unfaithful, largo, lento, larghissimo, unhurried, unfixed, poky, lentissimo, moderato, adagio, bumper-to-bumper, drawn-out, laggard, sluggish, noncausal, larghetto, rough, andante, moral, long-play, sulky, slow-moving, long-playing, noncausative, pokey, pervious, lazy

7. debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous, fast(adj)

   unrestrained by convention or morality

   "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women"

   Synonyms:
   luxuriant, loyal, sporting, quick, profuse, riotous, debauched, devalued, lush, extravagant, dissolute, turbulent, libertine, truehearted, card-playing, disruptive, debased, tumultuous, betting, degraded, fast(a), flying, troubled, dissipated, exuberant, spendthrift, degenerate, profligate, immobile, prodigal, firm

   Antonyms:
   laggard, adagio, sluggish, slow-moving, lento, sulky, pervious, unfaithful, largo, dilatory, unhurried, slow, noncausative, moral, moderato, larghetto, poky, long-play, unsmooth, andante, pokey, noncausal, long-playing, lazy, rough, lentissimo, drawn-out, bumper-to-bumper, unfixed, larghissimo

8. flying, quick, fast(adj)

   hurried and brief

   "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit"

   Synonyms:
   ready, flying, profligate, straightaway, debauched, riotous, prompt, speedy, dissolute, libertine, truehearted, warm, quick, immobile, loyal, degraded, agile, fast(a), fast-flying, firm, dissipated, spry, degenerate, immediate, nimble

   Antonyms:
   bumper-to-bumper, slow-moving, slow, larghissimo, pokey, long-play, unhurried, noncausal, unsmooth, unfixed, lento, sulky, sluggish, dilatory, drawn-out, moderato, laggard, poky, andante, rough, unfaithful, long-playing, pervious, lentissimo, larghetto, moral, largo, adagio, lazy, noncausative

9. fast, firm, immobile(adj)

   securely fixed in place

   "the post was still firm after being hit by the car"

   Synonyms:
   loyal, flying, debauched, unfluctuating, riotous, stiff, unwavering, unshakable, dissolute, libertine, truehearted, quick, unbendable, steadfast, degraded, solid, unfaltering, fast(a), steady, firm, dissipated, immobile, degenerate, profligate, strong

   Antonyms:
   noncausal, slow-moving, rough, largo, pokey, slow, lentissimo, lazy, lento, unsmooth, long-play, dilatory, laggard, sulky, moral, larghetto, bumper-to-bumper, larghissimo, long-playing, drawn-out, pervious, poky, unfaithful, noncausative, moderato, unfixed, adagio, unhurried, sluggish, andante

10. firm, loyal, truehearted, fast(a)(adj)

    unwavering in devotion to friend or vow or cause

    "a firm ally"; "loyal supporters"; "the true-hearted soldier...of Tippecanoe"- Campaign song for William Henry Harrison; "fast friends"

    Antonyms:
    drawn-out, slow-moving, slow, long-playing, sulky, long-play, unfaithful, laggard, sluggish, unhurried, pokey, moral, rough, pervious, larghissimo, noncausative, lento, unfixed, adagio, moderato, unsmooth, dilatory, noncausal, lentissimo, poky, lazy, andante, largo, larghetto, bumper-to-bumper

11. fast(verb)

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

    "a fast lens"

    Synonyms:
    profligate, libertine, loyal, debauched, fast(a), dissolute, riotous, truehearted, dissipated, quick, flying, degenerate, firm, degraded, immobile

    Antonyms:
    andante, lentissimo, largo, unsmooth, sluggish, bumper-to-bumper, moral, drawn-out, unfixed, unhurried, slow-moving, poky, adagio, pokey, slow, long-playing, rough, larghetto, laggard, lento, long-play, sulky, pervious, dilatory, noncausal, larghissimo, lazy, noncausative, moderato, unfaithful

12. fast(verb)

    abstain from certain foods, as for religious or medical reasons

    "Catholics sometimes fast during Lent"

    Antonyms:
    moral, noncausal, pervious, slow, unfaithful, long-playing, dilatory, lentissimo, unsmooth, adagio, moderato, pokey, larghetto, largo, lento, long-play, bumper-to-bumper, andante, lazy, slow-moving, sulky, rough, unfixed, laggard, unhurried, drawn-out, poky, noncausative, larghissimo, sluggish

13. fast(adverb)

    abstain from eating

    "Before the medical exam, you must fast"

    Antonyms:
    rough, laggard, andante, unsmooth, slow-moving, pervious, long-playing, sluggish, larghissimo, drawn-out, slow, lentissimo, lento, pokey, larghetto, adagio, unfaithful, moderato, lazy, long-play, poky, bumper-to-bumper, unhurried, noncausative, largo, moral, noncausal, sulky, dilatory, unfixed

14. fast(adverb)

    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"

    Synonyms:
    tight

    Antonyms:
    larghissimo, slow-moving, slow, unsmooth, rough, larghetto, moderato, andante, long-playing, bumper-to-bumper, unfixed, lentissimo, laggard, lento, pokey, lazy, dilatory, sluggish, long-play, poky, adagio, sulky, unfaithful, noncausative, unhurried, noncausal, moral, drawn-out, pervious, largo

15. fast, tight(adverb)

    firmly or closely

    "held fast to the rope"; "her foot was stuck fast"; "held tight"

    Synonyms:
    close, tight, closely

    Antonyms:
    larghetto, rough, sulky, unhurried, moderato, long-playing, andante, noncausal, moral, noncausative, slow-moving, adagio, pokey, sluggish, lentissimo, drawn-out, lazy, laggard, slow, dilatory, unfixed, pervious, largo, lento, poky, unsmooth, larghissimo, long-play, unfaithful, bumper-to-bumper

Complete Dictionary of Synonyms and Antonyms(0.00 / 0 votes)Rate these synonyms:

1. fast

   Synonyms:
   firm, secure, fixed, constant, steadfast, stable, unyielding, unswerving, rapid, accelerated, wild, reckless, dissipated, pay

   Antonyms:
   loose, insecure, slow, tardy, steady, sober, virtuous

Dictionary of English Synonymes(5.00 / 1 vote)Rate these synonyms:

1. fast(v. n.)

   Synonyms:
   abstain from food, forbear eating, go without food, go hungry

2. fast(n.)

   Synonyms:
   fasting, abstinence from food

3. fast(n.)

   Synonyms:
   fast day, day of fasting, banyan day

4. fast(n.)

   Synonyms:
   time of fasting

5. fast(n.)

   Synonyms:
   rope (to fasten a vessel to a wharf)

6. fast(a.)

   Synonyms:
   fastened, fixed, close, tight

7. fast(a.)

   Synonyms:
   immovable, firm

8. fast(a.)

   Synonyms:
   constant, steadfast, stanch

9. fast(a.)

   Synonyms:
   fortified, strong, impregnable

10. fast(a.)

    Synonyms:
    sound, deep, profound

11. fast(a.)

    Synonyms:
    swift, quick, fleet, rapid

12. fast(a.)

    Synonyms:
    dissipated, wild, giddy, reckless, thoughtless, thriftless, extravagant

13. fast(ad.)

    Synonyms:
    firmly, tightly, immovably

14. fast(ad.)

    Synonyms:
    swiftly, quickly, rapidly

15. fast(ad.)

    Synonyms:
    extravagantly, prodigally, recklessly, wildly

Synonyms, Antonyms & Associated Words(0.00 / 0 votes)Rate these synonyms:

1. fast(a)

   Synonyms:
   immovable, firm, rigid, impregnable, strong, invincible, invulnerable, fortified, steadfast, faithful, true, permanent, durable, rapid, swift, fleet, quick, expeditious, speedy, unrestrained, dissolute, dissipated, rakish, wanton, profligate, immoral

2. fast(adv)

   Synonyms:
   swiftly, rapidly, quickly, with celerity, post-haste, speedily, expeditiously, fixedly, firmly, immovably

PPDB, the paraphrase database(0.00 / 0 votes)Rate these synonyms:

1. List of paraphrases:

   rapid, quick, quickly, rapidly, hurry, speedy, swift, prompt, swiftly, soon, expres, expeditious, almost, promptly, fasting, speedily, expeditiously, timely, speed, rapids, early, high-speed, nearly, faster, vite, sticky, fast-track, accelerated

Concise Medical Dictionary, by Joseph C Segen, MD(1.00 / 1 vote)Rate these synonyms:

1. FAST

   Synonyms:
   Synonyms

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US English

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British

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Australian

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Indian

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