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单词 fast
释义 fast
I. \ˈfast, -aa(ə)-, -ai-, -ȧ-\ adjective
(-er/-est)
Etymology: Middle English, from Old English fæst; akin to Old High German festi firm, Old Norse fastr, Armenian hast firm, Sanskrit pastyā homestead
1.
 a. : firmly fixed : immovable or moved only with the greatest difficulty
  < the roots of the tree were so fast in the ground we left them there >
  < a flagpole set fast in its concrete socket >
  < a gun fast in its carriage >
  < a fast and impassable barrier between them >
 b. : tightly shut : unable to be opened or very difficult to open
  < after the damp weather all the drawers became fast >
  < the trunk lid was fast so that even after the key was turned it would not budge >
  : fastened, locked
  < the windows and doors were all fast so that thieves could not enter >
 c. : unable to be separated after being fastened together
  < the boards were fast a few hours after being glued together >
  < made the ropes fast with a solid square knot >
 d. : not easily extricated or freed : stuck
  < when his foot went through the rotten floor it became fast between two of the floor timbers >
  < a shell fast in the chamber of a gun >
 e. : not able to leave something — usually used in combination
  < bedfast >
 f. : busy, engaged
 g. : somewhat permanently settled : stable
 h. : unchangeable
  < hard and fast rules >
2. obsolete
 a. of a fortification : unyielding, impregnable
 b. of a place : secure against attack
3. : turned from one's purpose only with great difficulty: as
 a. : firmly loyal : staunch, steadfast — used in the phrase fast friend
 b. archaic : unremitting — used in the phrase fast foe
4.
 a. obsolete : compact, dense, solid
 b. archaic : frozen over solid
5.
 a. : characterized by quick motion:
  (1) : moving or able to move rapidly : fleet, swift
   < a fast car >
   < a fast horse >
  (2) of a baseball : thrown at the pitcher's highest speed
   < threw more fast balls than curves >
  (3) : moving ahead swiftly
   < a society that was fast as far as improvement is concerned >
  (4) : taking a comparatively short time
   < a fast race >
  (5) : following in rapid succession
   < took two fast shots >
  (6) : imparting quickness of motion
   < a fast bowler >
   < a fast mechanism on the gun trigger >
  (7) : accomplished or capable of being accomplished quickly
   < fast work >
  (8) : marked by abrupt decision or action especially as impelled by a quick temper or irascible nature
   < a bit too fast with his fists in an argument >
  (9) of a dramatic or literary work : holding the interest by reason of the sustained conflict, vivid writing, or the rapid advancement of a story
   < a taut and fast play >
   < a fast rollicking tale >
  (10) : agile of mind
   < an excellent witness — eloquent, confident, fast beyond belief — Michael Straight >
  (11) : having a rapid effect
   < the medicine was a fast one >
   < the acid was chosen because it was fast >
 b. : having qualities which are conducive to rapidity of play or action
  < a fast track >
  < a fast tennis court >
  < a fast gun holster >
  < the roads were fast between the towns >
 as
  (1) of a wicket : in such condition as to cause a bowled cricket ball to leave the ground swiftly after landing — contrasted with slow; compare fiery
  (2) : allowing the rapid passage of a gas or fluid
   < a fast nipple on the baby bottle >
 c.
  (1) of timepieces or time reports : indicating time in advance of what is correct
  (2) of weighing instruments : registering more than the correct weight of the thing weighed
  (3) : according to daylight saving time
 d. : contributing to a shortening of exposure time — used of a photographic lens or photographic emulsion
 e. slang
  (1) of money or profits : acquired with unusually little effort and usually in a rapid transaction
   < made a fast fortune in real estate >
   < made some fast money on horseracing >
   and often by shady or dishonest methods
   < made a fast dollar in a con scheme >
  (2) : involving unusually little effort in proportion to the money gained thereby
   < tried to think of a show he could do for a fast thirteen weeks that would pay for the baby — Pete Martin >
  (3) : unusually quick and ingenious or cunning in finding or recognizing and profiting by easy and often shady ways of making or acquiring money
   < a particularly fast man with a buck — Time >
  (4) : marked by trickery and unfairness
   < worked a fast deal on a friend >
6.
 a. : securely attached or fixed to someone or something
  < a rope fast to the wharf >
  < when the handcuffs were snapped on, the culprit was fast to the police officer >
 b. : tenacious
  < a fast hold on the purse >
 c.
  (1) of a knot : firmly tied
  (2) of an alliance or agreement : not easily broken or betrayed : certain, secure
 d.
  (1) of a harpoon : stuck securely in a whale
  (2) of a whale : secured by a harpoon; especially : harpooned securely by a certain crew and consequently the rightful possession of that crew regardless of subsequent claims
  (3) of a whaleboat : secured to a whale by harpoon
7.
 a. archaic : sound asleep
 b. of sleep : not easily disturbed : sound
  < fell into a fast sleep >
8.
 a. : not fading or changing color readily : permanently dyed : colorfast
  < fast colors >
  < fast dyeings >
 b. : yielding colors of this kind — used especially of the diazo components of azoic dyes
  < fast color bases >
  — see dye table I (under Acid, Azoic, Diazo, Disperse, Mordant)
 c. : proof against fading under exposure to a particular agency or action
  < the dye is made fast to perspiration — Know Your Merchandise >
  < a color that is fast to sunlight >
  — often used in combinations
  < sunfast >
  < boilfast >
  < washfast >
9.
 a. : marked by or given to living that is unusually active
  < his health would not allow so fast a life and he was forced to slow down >
  especially in pursuit of excitement or pleasure
  < fast living >
 b.
  (1) : dissipated, wild
   < associating with a pretty fast bunch >
  (2) : markedly or promiscuously given to a flouting of the proprieties in the matter of personal behavior especially in sexual relations — usually used of a woman
   < he thought how in 1910 a painted woman was said to be fast — T.H.Raddall >
  (3) : of or characteristic of a person of this kind
   < a lot of fast talk and promiscuous behavior >
10. : resistant to change, especially to destructive action — used chiefly of organisms and in combination with the name of the agent resisted
 < acid-fast bacteria >
 < arsenic-fast insects >
 < a streptomycin-fast patient >
Synonyms:
 rapid, swift, fleet, quick, speedy, hasty, expeditious: fast and rapid are often interchangeable; fast often describes moving objects or creatures and may suggest constant speedy course, flight, or procedure; rapid may refer to actions and their rate of speed and suggest successful course
  < a fast runner >
  < a fast horse >
  < a fast train >
  < a fast worker >
  < a rapid approach >
  < a rapid gait >
  < rapid progress >
  < rapid operations >
  swift may suggest speed or rapidity accompanied by easy facility, sure flight, brisk activity, or lack of interference and delay
  < flawless and chaste and swift in their machined perfection which even the airplane has never been able to rival — Robert Payne >
  < so swift was Caesar that his greatest exploits were measured by days — J.A.Froude >
  < the flight of his imagination is very swift; the following of it often a breathless business — C.D.Lewis >
  fleet, sometimes rather poetic or literary, may suggest nimble or graceful lightness and swiftness
  < the Indian bands swept over the hills on their fleet little ponies and wiped out emigrant wagon trains — American Guide Series: Arizona >
  < how the fleet creature would fly before the wind — Herman Melville >
  quick applies to lively action with alacrity or to prompt occurrence with short duration
  < am a quick man with my hands, and in a minute and a half I had done what I wanted to do — G.K.Chesterton >
  < a quick brain for intrigue — John Buchan >
  < in passing quick rather than deliberate judgment on the literature of the day — M.R.Cohen >
  speedy may suggest velocity or quickness along with promptness, dispatch, or haste
  < orders for the fastest plane, the swiftest motorboat, the speediest racing car that money and American ingenuity could produce — Gerald Beaumont >
  < industries where there is a need for exceptionally speedy reinforcement — Sir Winston Churchill >
  < in all criminal prosecutions the accused shall enjoy the right to speedy and public trial — U.S. Constitution >
  hasty suggests precipitate hurried rapidity, sometimes ineffective or nervous
  < it had a hurried evacuated look. Many houses had that. The look of the hasty choice made of what to take along — R.H.Newman >
  < we must, this time, have plans ready — instead of waiting to do a hasty, inefficient, and ill-considered job at the last moment — F.D.Roosevelt >
  expeditious suggests efficient rapidity
  < to assist me in every way in making the journey as expeditious as may be — Elinor Wylie >
  < if you suggested expeditious English methods of settling accounts he would laugh at you; he does not want his accounts settled — Norman Douglas >
II. adverb
(-er/-est)
Etymology: Middle English faste, from Old English fæste; akin to Old High German fasto firmly; derivative from the root of English fast (I)
1. : in a fast manner: as
 a. : firmly, fixedly, securely, soundly
  < frozen fast >
  < fixed fast in the hardened cement >
  < fast welded >
  < fast asleep >
 b. : loyally, staunchly, unwaveringly
  < held fast to his belief in justice >
  < labor held fast to its right to strike — F.L.Paxson >
 c. : leaving no room for play : in the manner of one caught and immovable : tightly
  < a foot stuck fast between the boards of the floor >
  < holding his mother's hand fast >
 also : leaving no access or outlet
  < a door shut fast >
  < the blinder over his eyes as fast as ever — Mary Deasy >
 d. : in a rapid manner : quickly, swiftly
  < run fast >
  < perils had thickened about him fast — Charles Dickens >
  < a building fast going to ruin >
 also : readily, eagerly
  < complete the task fast if paid enough >
 e. : in quick succession
  < bullets coming thick and fast >
 f. : with speed and accuracy of mental process : with intellectual agility
  < a man who could think fast in a crisis >
 also : continuously and facilely with the intent of influencing or deceiving someone or evading trouble or confusing an issue
  < when the police caught him in the act he talked fast to try to prove his innocence >
  < what he lacks in knowledge he can make up for by talking fast — Stuart Chase >
 g. : in a wild or dissipated way
  < living too fast for his health >
  : so as to flout the conventions, especially sexual convention in one's behavior
  < living fast and free >
  < playing fast with the ladies >
 h. : ahead or in advance of a correct time or posted schedule
  < a clock that runs fast >
  < a train running two minutes fast >
2. obsolete : with a fixity of attention : zealously, steadily
3. archaic : close, near
 < sat fast by hell's gate — John Milton >
4. obsolete : at once, immediately
III. transitive verb
(-ed/-ing/-s)
Etymology: Middle English fasten, festen from Old English fæstan; akin to Old High German festen to make fast, Old Norse festa to settle, fix; derivative from the root of English fast (I)
obsolete : to make fast : bind
IV. interjection
Etymology: fast (II)
— used as an exclamation in archery expressing a warning to one about to pass in the line of an arrow's flight
V. verb
(-ed/-ing/-s)
Etymology: Middle English fasten, from Old English fæstan; akin to Old High German fastēn to fast, Old Norse fasta, Gothic fastan; derivative from the root of English fast (I)
intransitive verb
1. : to abstain from food : omit to take nourishment in whole or in part : go hungry
2. : to practice abstinence from food voluntarily for a time as a religious exercise or duty
 < to counsel men to fast and pray >
3. : to restrict one's diet by eating sparingly or by abstaining from certain foods
 < fast in Lent >
transitive verb
: to cause to go without food : deny food to
 < the patient is fasted and given a mild hypnotic — Lancet >

- fast on
VI. noun
(-s)
Etymology: Middle English faste, from Old Norse fasta; akin to Old High German fasta fast; derivative from the root of Old High German fastēn to fast, Old Norse fasta
1.
 a. : voluntary abstinence from food or from certain kinds of food for a space of time as a spiritual discipline or as a religious exercise
  < a day for a general fast >
 b. : abstinence from food : the omission of or failure to take food for an unusual length of time
2. : a time of fasting
 < observe the fasts and feasts of the church >
 < went on a fast of a month as a protest >
VII. noun
(-s)
Etymology: alteration (influenced by fast) (I) of Middle English fest, from Old Norse festr rope, mooring cable, from fastr firm — more at fast I
: something that fastens or holds a fastening
 < a door fast >
 < a window fast >
as
 a. : a mooring rope or cable
  < a stern fast >
  < a quarter fast >
  — compare breast fast
 b. : a post on a pier or on shore around which hawsers are passed in mooring
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更新时间:2025/1/11 18:22:01