Fast Definition & Meaning

1 : moving or able lớn move quickly She"s a very fast runner. A fast car See More Examplesa fast pitch maintaining a fast <=quick> pace blazingly/blindingly fastHide

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2 : happening quickly : taking a short amount of time a fast race We"re off lớn a fast start. See More ExamplesWe"re now experiencing a faster rate of inflation. I"d lượt thích to take a fast <=(more commonly) quick> look at my records.Hide
c(1) of a timepiece or weighing device : indicating in advance of what is correct Your clock is two minutes fast.
e : acquired with unusually little effort & often by shady or dishonest methods had a keen eye for a fast buck— R. A. Keith
8 : resistant lớn change (as from destructive action or fading) fast dyes —often used in combination sunfastacid-fast bacteria

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Synonyms & Antonyms for fast

Synonyms: Adjective

Synonyms: Adverb

Antonyms: Adjective

Antonyms: Adverb

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Adjective

fast, rapid, swift, fleet, quick, speedy, hasty, expeditious mean moving, proceeding, or acting with celerity. Fast & rapid are very close in meaning, but fast applies particularly to lớn the thing that moves fast horses and rapid to lớn the movement itself. rapid current swift suggests great rapidity coupled with ease of movement. returned the ball with one swift stroke fleet adds the implication of lightness & nimbleness. fleet runners quick suggests promptness and the taking of little time. a quick wit speedy implies quickness of successful accomplishment speedy delivery of mail & may also suggest unusual velocity. Hasty suggests hurry và precipitousness & often connotes carelessness. a hasty inspection expeditious suggests efficiency together with rapidity of accomplishment. the expeditious handling of an order


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Adjective She"s a very fast runner. We"re off lớn a fast start. We"re now experiencing a faster rate of inflation. We took the faster route. Adverb The boss khủng expects this lớn be done this afternoon, so you"d better work fast. He ran as fast as he could. This is fast becoming a national problem. You need lớn act fast to take advantage of this offer. I don"t know what caused the accident. It all happened so fast. She"s a woman who can think fast in a crisis. He"s going to lớn have khổng lồ talk fast to lớn get himself out of this mess. The window was stuck fast. She held fast khổng lồ her belief in justice. We must stand fast and not surrender! Verb She always fasts on Yom Kippur. Patients must fast for six hours before having the procedure.
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First Known Use of fast

Adjective

before the 12th century, in the meaning defined at sense 1a

Adverb

before the 12th century, in the meaning defined at sense 1

Verb

before the 12th century, in the meaning defined at sense 1

Noun (1)

before the 12th century, in the meaning defined at sense 1

Noun (2)

15th century, in the meaning defined above


History and Etymology for fast

Adjective và Adverb

Middle English, from Old English fæst; akin to lớn Old High German festi firm, Old Norse fastr, Armenian hast

Verb and Noun (1)

Middle English, from Old English fæstan

Noun (2)

alteration of Middle English fest, from Old Norse festr rope, mooring cable, from fastr firm


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Time Traveler for fast

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The first known use of fast was before the 12th century

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