Characterized by great celerity

• hell-for-leather

  1. At breakneck speed:
  2. With all of one's energy, will, etc.; with wholehearted or reckless determination
  3. At full speed or with great speed

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  1. At breakneck speed:
  2. With all of one's energy, will, etc.; with wholehearted or reckless determination
  3. At full speed or with great speed

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• swift

  1. Acting or responding quickly; prompt; ready
  2. Moving or capable of moving with great speed; rapid; fast
  3. Coming, occurring, or accomplished quickly:

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  1. Acting or responding quickly; prompt; ready
  2. Moving or capable of moving with great speed; rapid; fast
  3. Coming, occurring, or accomplished quickly:

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• rapid

  1. Moving, acting, or occurring with great speed.
  2. Moving, progressing, or occurring with speed; swift; fast; quick

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  1. Moving, acting, or occurring with great speed.
  2. Moving, progressing, or occurring with speed; swift; fast; quick

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• quick

  1. Moving or functioning rapidly and energetically; speedy:
  2. Done or occurring immediately:
  3. Perceiving or responding with speed and sensitivity; keen:

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  1. Moving or functioning rapidly and energetically; speedy:
  2. Done or occurring immediately:
  3. Perceiving or responding with speed and sensitivity; keen:

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• fleet

  1. Fleeting; evanescent.
  2. Moving swiftly and nimbly.
  3. Swift; rapid

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  1. Fleeting; evanescent.
  2. Moving swiftly and nimbly.
  3. Swift; rapid

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• fast

  1. Disposed to dissipation; wild:
  2. Rapid in movement or action; swift; quick; speedy
  3. Firmly fixed or fastened:

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  1. Disposed to dissipation; wild:
  2. Rapid in movement or action; swift; quick; speedy
  3. Firmly fixed or fastened:

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• expeditious

  1. Done with or characterized by expedition; efficient and speedy; prompt
  2. (Of a process or thing) Completed or done with efficiency and speed; facilitating speed.
  3. Fast, prompt, speedy.

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  1. Done with or characterized by expedition; efficient and speedy; prompt
  2. (Of a process or thing) Completed or done with efficiency and speed; facilitating speed.
  3. Fast, prompt, speedy.

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• breakneck

  1. Likely to cause an accident:
  2. Very fast, reckless, dangerous, etc.

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  1. Likely to cause an accident:
  2. Very fast, reckless, dangerous, etc.

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Accomplished in very little time

• swift

  1. Moving or capable of moving with great speed; rapid; fast
  2. Coming, occurring, or accomplished quickly:
  3. Quick to act or react:

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  1. Moving or capable of moving with great speed; rapid; fast
  2. Coming, occurring, or accomplished quickly:
  3. Quick to act or react:

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• short

  1. (Phonet.) Articulated for a relatively short time; brief in duration
  2. Containing a large amount of shortening; flaky:
  3. Easily provoked; irascible:

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  1. (Phonet.) Articulated for a relatively short time; brief in duration
  2. Containing a large amount of shortening; flaky:
  3. Easily provoked; irascible:

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• rapid

  1. Moving, acting, or occurring with great speed.
  2. Moving, progressing, or occurring with speed; swift; fast; quick

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  1. Moving, acting, or occurring with great speed.
  2. Moving, progressing, or occurring with speed; swift; fast; quick

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• quick

  1. Perceiving or responding with speed and sensitivity; keen:
  2. Moving or functioning rapidly and energetically; speedy:
  3. Occurring, achieved, or acquired in a relatively brief period of time:

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  1. Perceiving or responding with speed and sensitivity; keen:
  2. Moving or functioning rapidly and energetically; speedy:
  3. Occurring, achieved, or acquired in a relatively brief period of time:

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• hurried

  1. Moving or acting rapidly.
  2. Done in great haste:
  3. Required to move or act more rapidly; rushed.

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  1. Moving or acting rapidly.
  2. Done in great haste:
  3. Required to move or act more rapidly; rushed.

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• hasty

  1. Showing irritation or impatience
  2. Acting with too much speed or haste; hurried:
  3. Acting in haste; being too hurried or quick. (e.g. Without much thinking about it they made a hasty decision to buy it.)

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  1. Showing irritation or impatience
  2. Acting with too much speed or haste; hurried:
  3. Acting in haste; being too hurried or quick. (e.g. Without much thinking about it they made a hasty decision to buy it.)

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• flying

  1. Hasty and brief
  2. Moving as if flying; moving swiftly; fast
  3. Of or relating to aviation:

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  1. Hasty and brief
  2. Moving as if flying; moving swiftly; fast
  3. Of or relating to aviation:

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• fast

  1. Acquired quickly with little effort and sometimes unscrupulously:
  2. Allowing rapid movement or action:
  3. Designed for or compatible with a short exposure time:

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  1. Acquired quickly with little effort and sometimes unscrupulously:
  2. Allowing rapid movement or action:
  3. Designed for or compatible with a short exposure time:

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• expeditious

  1. Done with or characterized by expedition; efficient and speedy; prompt
  2. Fast, prompt, speedy.
  3. (Of a process or thing) Completed or done with efficiency and speed; facilitating speed.

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  1. Done with or characterized by expedition; efficient and speedy; prompt
  2. Fast, prompt, speedy.
  3. (Of a process or thing) Completed or done with efficiency and speed; facilitating speed.

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• brief

  1. Using relatively few words; concise
  2. Short in time, duration, length, or extent.
  3. Of short duration or extent

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  1. Using relatively few words; concise
  2. Short in time, duration, length, or extent.
  3. Of short duration or extent

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