bad apple

noun

Definition of bad apple

: someone who creates problems or causes trouble for others; specifically : a member of a group whose behavior reflects poorly on or negatively affects or influences the remainder of the group
  • The best way to deal with bad apples is to take them out of the group as quickly as possible.
  • —Henry L. TischlerIntroduction to Sociology2011
called also rotten apple

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First Known Use of bad apple

1887


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