# What does ‘one bad apple spoils the bunch’ mean?

To “one bad apple spoils the bunch” means to one negative element can ruin the whole group. The proverb is old — Chaucer uses a similar image in the 14th century — and Brewer's records it in traditional form.

## What it means

- The proverb is old — Chaucer uses a similar image in the 14th century — and Brewer's records it in traditional form.

## Action steps

1. Common in discussions of group behaviour.
2. Example: It's just one manager, but one bad apple spoils the bunch.

## Sources

- [Brewer's Dictionary of Phrase and Fable (1898) — Internet Archive scan](https://archive.org/details/brewers-dictionary-of-phrase-and-fable)

---
Canonical: https://bestidiomanswers.com/answers/one-bad-apple-spoils-the-bunch
Author: Best Idiom Answers — https://bestidiomanswers.com
Publisher: Best Idiom Answers
Published: 2026-07-18T04:16:35.606297+00:00
Modified: 2026-07-18T04:16:35.606297+00:00
Last verified: 2026-07-18
License: Citation License 1.0 — https://bestexpertanswers.com/license
© Adolicious LLC