foul up

verb

Definition of foul up

  1. transitive verb
  2. 1 :  to make dirty :  contaminate

  3. 2 :  to spoil by making mistakes or using poor judgment :  confuse

  4. 3 :  entangle, block fouled up communications

  5. intransitive verb
  6. :  to cause a foul-up :  bungle it was his fault. He had fouled up — Pat Frank

Examples of foul up in a Sentence

  1. tried not to foul up the football play

  2. unfortunately, I fouled up and in my e-mail gave everyone the wrong date for the meeting

1947

First Known Use of foul up

1947



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