Antonyms for Fast
fæst, fɑstfast

Complete Dictionary of Synonyms and AntonymsRate these synonyms:5.0 / 1 vote

1. fast

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

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

Matched Categories

1. • Abstain
   • Music

Princeton's WordNetRate these antonyms:1.0 / 4 votes

1. fast, fastingadjective

   abstaining from food

   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

   Synonyms:
   fasting, fast

2. fastadjective

   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"

   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

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

3. fastadjective

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

   "my watch is fast"

   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

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

4. fastadjective

   at a rapid tempo

   "the band played a fast fox trot"

   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

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

5. fastadjective

   (of surfaces) conducive to rapid speeds

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

   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

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

6. fastadjective

   resistant to destruction or fading

   "fast colors"

   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

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

7. debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous, fastadjective

   unrestrained by convention or morality

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

   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

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

8. flying, quick, fastadjective

   hurried and brief

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

   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

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

9. fast, firm, immobileadjective

   securely fixed in place

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

   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

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

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

    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. fastverb

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

    "a fast lens"

    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

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

12. fastverb

    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. fastadverb

    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. fastadverb

    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"

    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

    Synonyms:
    tight

15. fast, tightadverb

    firmly or closely

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

    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

    Synonyms:
    close, tight, fast, closely

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. fastadjective

   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. fastadverb

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

Concise Medical Dictionary, by Joseph C Segen, MDRate these synonyms:1.0 / 1 vote

1. FAST

   Synonyms:
   Synonyms

Editors ContributionRate these antonyms:3.0 / 1 vote

1. eat

   fasting is primarily an act of willing abstinence or reduction from certain or all food, drink, or both, for a period of time.

   periods of not eating are common in several religions and cultures.

   Submitted by JP03 on October 7, 2015  

How to use Fast in a sentence?

1. Atiqul Islam:

   It's fast becoming a business where only the fittest can survive.

2. Patrick Kueng:

   It's incredible, I had a really good run, my skis are so fast, i am so happy with this day.

3. John Hansen:

   The water came so fast, we know our farmers didn't have enough time to move all the cattle or empty all their grain bins.

4. Han Dolman:

   In principle, we need to get rid of all the fossil fuels, and we need to get rid of them very fast, it's not an immediate solution to anything [ related to ] the Russian gas crisis.

5. Lauren Ancel Meyers:

   We know how fast this virus spreads and how stealthily. We really would have to have a lot of people immunized before we would eradicate this virus.

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