Definition, Meaning & Synonyms
a bad apple
idiom
/ə bæd ˈæp.əl/
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Definition
A person whose behavior negatively influences others in a group.
![](https://vocabdictionary.com/wp-content/uploads/2024/11/migrate-02.png)
Examples
- “Don’t be influenced by him; he’s just a bad apple in the group.”
- “The team was doing well until one bad apple started causing trouble.”
![](https://vocabdictionary.com/wp-content/uploads/2024/11/ux-02.png)
Meaning
The phrase suggests that one harmful individual can spoil the good of an entire group or situation.
![](https://vocabdictionary.com/wp-content/uploads/2024/11/text-file-font.png)
Synonyms
- rotten apple
- negative influence
- troublemaker