English Reference
Idiom idiom

fox in the henhouse


Someone untrustworthy placed in a position of trust in which they will be harmful, damaging or detrimental for their own personal gain.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

Putting him in charge is like putting a fox in the henhouse.

Hiring a known thief to count the money is a fox in the henhouse.

You have a fox in the henhouse if your lawyer works for the enemy.

CONTEXTUAL

The company hired a consultant known for closing factories, which felt like putting a fox in the henhouse.

Giving the office gossip access to everyone's private files is definitely letting a fox in the henhouse.

The team feels there is a fox in the henhouse now that their main competitor's brother is the new manager.

COMPLEX

By appointing the corrupt official to oversee the ethics committee, the government effectively placed a fox in the henhouse.


From the predatory habit of the fox, which requires only the briefest lapse in security to consume the inhabitants of a poultry shed. The metaphor relies upon the natural inclination of the animal to seize the opportunity provided by proximity to its prey.


Related idioms3entries
  1. 01

    cock in the henhouse

    A man in a situation where he has access to many women, presumably intending to seduce them.

  2. 02

    fox sleep

    Feigned sleep while actually alert.

  3. 03

    fox's socks

    Something or someone that is ideal or very pleasing.

Last updated August 10, 2026