Definition of FAST
Pronunciation : FAST

noun : FAST

Source:WordNet 3.1

verb : FAST

Source:WordNet 3.1

  • 1. (

    ) abstain from certain foods, as for religious or medical reasons; "Catholics sometimes fast during Lent" ;

  • 2. (

    ) abstain from eating; "Before the medical exam, you must fast" ;

Adjective : FAST

Source:WordNet 3.1

  • 1. (

    ) 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" ;

  • 2. (

    ) (used of timepieces) indicating a time ahead of or later than the correct time; "my watch is fast" ;

  • 3. (

    ) at a rapid tempo; "the band played a fast fox trot" ;

  • 4. (

    ) (of surfaces) conducive to rapid speeds; "a fast road"; "grass courts are faster than clay" ;

  • 5. (

    ) resistant to destruction or fading; "fast colors" ;

  • 7. (

    ) hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit" ;

  • 9. (

    ) 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" ;

  • 10. (

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

Adverb : FAST

Source:WordNet 3.1

  • 1. (

    ) 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" ;

  • 2. (

    ) firmly or closely; "held fast to the rope"; "her foot was stuck fast"; "held tight" ;


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