What is the meaning of fast?


  • Abstaining from food.


  • Abstain from certain foods, as for religious or medical reasons.
    • usage: "Catholics sometimes fast during Lent"
  • Abstain from eating.
    • usage: "Before the medical exam, you must fast"


  • Acting or moving or capable of acting or moving quickly.
    • usage: "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car"
  • Used of timepieces. ( indicating a time ahead of or later than the correct time)
    • usage: "my watch is fast"
  • At a rapid tempo.
    • usage: "the band played a fast fox trot"
  • Of surfaces. ( conducive to rapid speeds)
    • usage: "a fast road"; "grass courts are faster than clay"
  • Resistant to destruction or fading.
    • usage: "fast colors"
  • Unrestrained by convention or morality.
    • usage: "Congreve draws a debauched aristocratic society"; "deplorably dissipated and degraded"; "riotous living"; "fast women"
  • Hurried and brief.
    • usage: "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit"
  • Securely fixed in place.
    • usage: "the post was still firm after being hit by the car"
  • Unwavering in devotion to friend or vow or cause.
    • usage: "a firm ally"; "loyal supporters"; "the true-hearted soldier... Of Tippecanoe- Campaign song for William Henry Harrison; "fast friends"
  • Of a photographic lens or emulsion. ( causing a shortening of exposure time)
    • usage: "a fast lens"


  • Quickly or rapidly (often used as a combining form))
    • usage: "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"
  • Firmly or closely.
    • usage: "held fast to the rope"; "her foot was stuck fast"; "held tight"
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APAWordNet. (2010). fast. Retrieved May 23, 2018, from http://smartdefine.org/fast/definitions/1173939
ChicagoWordNet. 2010. "fast" http://smartdefine.org/fast/definitions/1173939 (accessed May 23, 2018).
HarvardWordNet 2010, fast, Smart Define, viewed 23 May, 2018, <http://smartdefine.org/fast/definitions/1173939>.
MLAWordNet. "fast" 23 October 2010. Web. 23 May 2018. <http://smartdefine.org/fast/definitions/1173939>
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