Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun fast
1 sense of fast
Sense 1
fast, fasting -- (abstaining from food)
=> abstinence -- (act or practice of refraining from indulging an appetite)
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb fast
2 senses of fast
Sense 1
fast -- (abstain from certain foods, as for religious or medical reasons; "Catholics sometimes fast during Lent")
=> abstain, refrain, desist -- (choose not to consume; "I abstain from alcohol")
Sense 2
fast -- (abstain from eating; "Before the medical exam, you must fast")
=> abstain, refrain, desist -- (choose not to consume; "I abstain from alcohol")
Antonyms of adj fast
10 senses of fast
Sense 1
fast (vs. slow) -- (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")
slow (vs. fast) -- (not moving quickly; taking a comparatively long time; "a slow walker"; "the slow lane of traffic"; "her steps were slow"; "he was slow in reacting to the news"; "slow but steady growth")
=> bumper-to-bumper -- (used of traffic; "bumper-to-bumper traffic")
=> dilatory, laggard, poky, pokey -- (wasting time)
=> drawn-out -- ((used of speech) uttered slowly with prolonged vowels)
=> lazy -- (moving slowly and gently; "up a lazy river"; "lazy white clouds"; "at a lazy pace")
=> long-play, long-playing -- ((used of records) playing at a slower speed and for a longer time than earlier records)
=> slow-moving -- (moving slowly; "slow-moving cars")
=> sluggish, sulky -- (moving slowly; "a sluggish stream")
Sense 2
fast (vs. slow) -- ((used of timepieces) indicating a time ahead of or later than the correct time; "my watch is fast")
slow (vs. fast) -- ((used of timepieces) indicating a time earlier than the correct time; "the clock is slow")
Sense 3
fast (vs. slow) -- (at a rapid tempo; "the band played a fast fox trot")
slow (vs. fast) -- (at a slow tempo; "the band played a slow waltz")
=> adagio -- ((of tempo) leisurely)
=> andante -- ((of tempo) moderately slow)
=> lento -- ((of tempo) slow)
=> lentissimo -- ((of tempo) very slow)
=> largo -- (very slow in tempo and broad in manner)
=> larghetto -- ((of tempo) less slow and broad than largo)
=> larghissimo -- ((of tempo) as slow and broad as possible)
=> moderato -- ((of tempo) moderate)
Sense 4
fast -- ((of surfaces) conducive to rapid speeds; "a fast road"; "grass courts are faster than clay")
INDIRECT (VIA smooth) -> rough, unsmooth -- (having or caused by an irregular surface; "trees with rough bark"; "rough ground"; "rough skin"; "rough blankets"; "his unsmooth face")
Sense 5
fast -- (resistant to destruction or fading; "fast colors")
INDIRECT (VIA impervious) -> pervious -- (admitting of passage or entrance; "pervious soil"; "a metal pervious to heat")
Sense 6
debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous, fast -- (unrestrained by convention or morality; "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women")
INDIRECT (VIA immoral) -> moral -- (concerned with principles of right and wrong or conforming to standards of behavior and character based on those principles; "moral sense"; "a moral scrutiny"; "a moral lesson"; "a moral quandary"; "moral convictions"; "a moral life")
Sense 7
flying, quick, fast -- (hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit")
INDIRECT (VIA hurried) -> unhurried -- (relaxed and leisurely; without hurry or haste; "people strolling about in an unhurried way"; "an unhurried walk"; "spoke in a calm and unhurried voice")
Sense 8
fast, firm, immobile -- (securely fixed in place; "the post was still firm after being hit by the car")
INDIRECT (VIA fixed) -> unfixed -- (not firmly placed or set or fastened)
Sense 9
firm, loyal, truehearted, fast (prenominal) -- (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")
INDIRECT (VIA faithful) -> unfaithful -- (not true to duty or obligation or promises; "an unfaithful lover")
Sense 10
fast -- ((of a photographic lens or emulsion) causing a shortening of exposure time; "a fast lens")
INDIRECT (VIA causative) -> noncausative, noncausal -- (not causative)
Similarity of adj fast
10 senses of fast
Sense 1
fast (vs. slow) -- (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")
=> accelerated -- (speeded up, as of an academic course; "in an accelerated program in school")
=> alacritous -- (quick and eager; "an alacritous response to the invitation")
=> blistering, hot, red-hot -- (very fast; capable of quick response and great speed; "a hot sports car"; "a blistering pace"; "got off to a hot start"; "in hot pursuit"; "a red-hot line drive")
=> double-quick -- ((of a marching cadence) very quick)
=> express -- (without unnecessary stops; "an express train"; "an express shipment")
=> fast-breaking -- (occurring rapidly as a series of events in rapid succession; "the broadcast was interrupted by a fast-breaking news story about the invasion")
=> fast-paced -- (of communication that proceeds rapidly; "a fast-paced talker"; "fast-paced fiction")
=> fleet, swift -- (moving very fast; "fleet of foot"; "the fleet scurrying of squirrels"; "a swift current"; "swift flight of an arrow"; "a swift runner")
=> high-speed, high-velocity -- (operating at high speed; "a high-speed food processor"; "a high-velocity shell")
=> hurrying, scurrying -- (moving with great haste; "affection for this hurrying driving...little man"; "lashed the scurrying horses")
=> immediate, prompt, quick, straightaway -- (performed with little or no delay; "an immediate reply to my letter"; "a prompt reply"; "was quick to respond"; "a straightaway denial")
=> instantaneous, instant (prenominal) -- (occurring with no delay; "relief was instantaneous"; "instant gratification")
=> meteoric -- (like a meteor in speed or brilliance or transience; "a meteoric rise to fame")
=> quick, speedy -- (accomplished rapidly and without delay; "was quick to make friends"; "his quick reaction prevented an accident"; "hoped for a speedy resolution of the problem"; "a speedy recovery"; "he has a right to a speedy trial")
=> rapid -- (done or occurring in a brief period of time; "a rapid rise through the ranks")
=> rapid, speedy -- (characterized by speed; moving with or capable of moving with high speed; "a rapid movement"; "a speedy car"; "a speedy errand boy")
=> smart -- (quick and brisk; "I gave him a smart salute"; "we walked at a smart pace")
=> winged -- (very fast; as if with wings; "on winged feet")
=> windy -- (resembling the wind in speed, force, or variability; "a windy dash home")
Also See-> hurried#1; sudden#1
Sense 2
fast (vs. slow) -- ((used of timepieces) indicating a time ahead of or later than the correct time; "my watch is fast")
Sense 3
fast (vs. slow) -- (at a rapid tempo; "the band played a fast fox trot")
=> allegro -- ((of tempo) fast)
=> allegretto -- ((of tempo) faster than allegro)
=> andantino -- ((of tempo) moderately fast)
=> presto -- ((of tempo) very fast)
=> prestissimo -- ((of tempo) as fast as possible)
=> vivace -- ((of tempo) very fast and lively)
Sense 4
fast -- ((of surfaces) conducive to rapid speeds; "a fast road"; "grass courts are faster than clay")
=> smooth (vs. rough) -- (having a surface free from roughness or bumps or ridges or irregularities; "smooth skin"; "a smooth tabletop"; "smooth fabric"; "a smooth road"; "water as smooth as a mirror")
Sense 5
fast -- (resistant to destruction or fading; "fast colors")
=> impervious (vs. pervious), imperviable -- (not admitting of passage or capable of being affected; "a material impervious to water"; "someone impervious to argument")
Sense 6
debauched, degenerate, degraded, dissipated, dissolute, libertine, profligate, riotous, fast -- (unrestrained by convention or morality; "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women")
=> immoral (vs. moral) -- (deliberately violating accepted principles of right and wrong)
Sense 7
flying, quick, fast -- (hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit")
=> hurried (vs. unhurried) -- (moving rapidly or performed quickly or in great haste; "a hurried trip to the store"; "the hurried life of a city"; "a hurried job")
Sense 8
fast, firm, immobile -- (securely fixed in place; "the post was still firm after being hit by the car")
=> fixed (vs. unfixed) -- (securely placed or fastened or set; "a fixed piece of wood"; "a fixed resistor")
Sense 9
firm, loyal, truehearted, fast (prenominal) -- (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")
=> faithful (vs. unfaithful) -- (steadfast in affection or allegiance; "years of faithful service"; "faithful employees"; "we do not doubt that England has a faithful patriot in the Lord Chancellor")
Sense 10
fast -- ((of a photographic lens or emulsion) causing a shortening of exposure time; "a fast lens")
=> causative (vs. noncausative) -- (producing an effect; "poverty as a causative factor in crime")
Synonyms of adv fast
2 senses of fast
Sense 1
fast -- (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")
Sense 2
fast, tight -- (firmly or closely; "held fast to the rope"; "her foot was stuck fast"; "held tight")
