Synonyms

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fast - adjective: 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")
=> accelerating -- (increasing in speed; becoming progressively faster; "the accelerating inflation was cause for great concern")
=> 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"; "prompt obedience"; "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")
=> speeding -- (moving with great speed; "the speeding car")
=> 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-> expedited#1; 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
barred, bolted, fast, latched, locked, secured -- (firmly fastened or secured against opening; "windows and doors were all fast"; "a locked closet"; "left the house properly secured")
=> fastened (vs. unfastened) -- (firmly closed or secured; "found the gate fastened"; "a fastened seatbelt")

Sense 6
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 7
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) (vs. amoral) -- (deliberately violating accepted principles of right and wrong)

Sense 8
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 9
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 10
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")