To harm irreparably through inept handling; make a mess

• ball up

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• blunder

  1. To utter (something) stupidly or thoughtlessly.
  2. To say stupidly, clumsily, or confusedly; blurt
  3. To move clumsily or carelessly; flounder; stumble

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  1. To utter (something) stupidly or thoughtlessly.
  2. To say stupidly, clumsily, or confusedly; blurt
  3. To move clumsily or carelessly; flounder; stumble

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• boggle

  1. To be or become confused or overwhelmed as by something very difficult, surprising, vast, etc.
  2. To confuse or mystify; overwhelm.
  3. To hesitate as if in fear or doubt.

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  1. To be or become confused or overwhelmed as by something very difficult, surprising, vast, etc.
  2. To confuse or mystify; overwhelm.
  3. To hesitate as if in fear or doubt.

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• botch

  1. To repair or patch clumsily
  2. To spoil by poor work or poor performance; bungle
  3. To perform poorly or ruin through clumsiness or ineptitude:

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  1. To repair or patch clumsily
  2. To spoil by poor work or poor performance; bungle
  3. To perform poorly or ruin through clumsiness or ineptitude:

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• bungle

  1. To do or make things badly or clumsily
  2. To carry out badly or ruin through ineptitude; botch.
  3. To work or act ineptly or inefficiently.

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  1. To do or make things badly or clumsily
  2. To carry out badly or ruin through ineptitude; botch.
  3. To work or act ineptly or inefficiently.

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• foul-up

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• fumble

  1. To touch or handle nervously or idly:
  2. To lose one's grasp on (a football, etc.) while trying to catch or hold it
  3. To search (for a thing) by feeling about awkwardly with the hands; grope clumsily

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  1. To touch or handle nervously or idly:
  2. To lose one's grasp on (a football, etc.) while trying to catch or hold it
  3. To search (for a thing) by feeling about awkwardly with the hands; grope clumsily

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• gum up

  1. (Idiomatic, by extension) To make non-functional; to interfere with or put into a state of disorder; to ruin.
  2. To cause to be gooey or gummy, especially with the effect of obstructing the operation of some mechanism or process.

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  1. (Idiomatic, by extension) To make non-functional; to interfere with or put into a state of disorder; to ruin.
  2. To cause to be gooey or gummy, especially with the effect of obstructing the operation of some mechanism or process.

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• mess up

  1. To botch, bungle; to perform poorly on.
  2. To cause (another person) to make unwanted mistakes in a given task, usually through distraction or obnoxious behavior.
  3. (Intransitive) To make a mistake; to do something incorrectly; to perform poorly.

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  1. To botch, bungle; to perform poorly on.
  2. To cause (another person) to make unwanted mistakes in a given task, usually through distraction or obnoxious behavior.
  3. (Intransitive) To make a mistake; to do something incorrectly; to perform poorly.

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• mishandle

  1. To handle badly or roughly; abuse, maltreat, or mismanage
  2. To deal with clumsily or inefficiently; mismanage:
  3. To handle badly, causing physical injury.

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  1. To handle badly or roughly; abuse, maltreat, or mismanage
  2. To deal with clumsily or inefficiently; mismanage:
  3. To handle badly, causing physical injury.

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• muddle

  1. To confuse or befuddle (a person or the mind, for example).
  2. To put into a state of confusion; confuse:
  3. To act or think in a confused way

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  1. To confuse or befuddle (a person or the mind, for example).
  2. To put into a state of confusion; confuse:
  3. To act or think in a confused way

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• muff

  1. To do (something) badly or awkwardly
  2. To perform or handle clumsily or ineptly; bungle.
  3. To perform a task clumsily or ineptly.

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  1. To do (something) badly or awkwardly
  2. To perform or handle clumsily or ineptly; bungle.
  3. To perform a task clumsily or ineptly.

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• spoil

  1. To become unfit for use or consumption, as from decay. Used especially of perishables, such as food.
  2. To impair or destroy the value or quality of; ruin:
  3. To be damaged or injured in such a way as to become useless, valueless, etc.; specif., to decay, as food

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  1. To become unfit for use or consumption, as from decay. Used especially of perishables, such as food.
  2. To impair or destroy the value or quality of; ruin:
  3. To be damaged or injured in such a way as to become useless, valueless, etc.; specif., to decay, as food

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• bollix up

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• muck up

  1. To ruin unintentionally.
  2. (Intransitive) To clown around; to have fun, often at the expense of others.

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  1. To ruin unintentionally.
  2. (Intransitive) To clown around; to have fun, often at the expense of others.

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• blow

  1. To blossom
  2. To bloom or cause to bloom.

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  1. To blossom
  2. To bloom or cause to bloom.

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• goof up

  1. (Slang) To make a mistake.
  2. (Slang) To introduce problems to or damage through incompetence.

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  1. (Slang) To make a mistake.
  2. (Slang) To introduce problems to or damage through incompetence.

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• louse up

  1. (Idiomatic, colloquial) To mess up; to confuse; to put into a state of disorder.

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  1. (Idiomatic, colloquial) To mess up; to confuse; to put into a state of disorder.

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• screw up

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• snafu

  1. To make confused or chaotic.
  2. To throw into confusion

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  1. To make confused or chaotic.
  2. To throw into confusion

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