# bad apple

> English word · Noun

## Definitions
1. A person who is not wholesome, honest, or trustworthy, especially one who has an adverse influence on others.

## Etymology
From the proverb “one bad apple can spoil the whole bunch” (or a variant thereof).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/bad-apple