fast, fasting(adj)

abstaining from food

Synonyms:
fasting, fast

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

fast(adj)

acting or moving or capable of acting or moving quickly

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

fast(adj)

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

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

fast(adj)

at a rapid tempo

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

fast(adj)

(of surfaces) conducive to rapid speeds

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

fast(adj)

resistant to destruction or fading

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

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

unrestrained by convention or morality

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

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

flying, quick, fast(adj)

hurried and brief

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

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

fast, firm, immobile(adj)

securely fixed in place

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

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

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

unwavering in devotion to friend or vow or cause

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

fast(verb)

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

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

fast(verb)

abstain from certain foods, as for religious or medical reasons

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

fast(adverb)

abstain from eating

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

fast(adverb)

quickly or rapidly (often used as a combining form)

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

fast, tight(adverb)

firmly or closely

Synonyms:
close, tight, fast, 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