English Reference
Idiom idiom

fall foul


To collide; to conflict with; to attack (+ on, of, upon)

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


SIMPLE

Be careful not to fall foul of the school rules.

CONTEXTUAL

The company had to change its marketing strategy after it fell foul of local advertising regulations.

COMPLEX

The young politician realized that his controversial speech had caused him to fall foul of the party leadership, effectively ending his career.


Related idioms8entries
  1. 01

    catch a falling knife

    To buy a financial instrument whose price is falling rapidly.

  2. 02

    cry foul

    To protest about something which appears to be unjust.

  3. 03

    fall apart

    To be emotionally in crisis.

  4. 04

    fall around

    To fall over continually, especially through drunkenness, clumsiness, or incompetence.

  5. 05

    fall asleep

    To be affected by paresthesia; to go numb.

  6. 06

    fall at the last hurdle

    To fail near the end of an activity, a project, etc.

  7. 07

    fall behind

    To be late (for a regular event)

  8. 08

    fall between the cracks

    To wind up in an unexpected situation which is, inadvertently, invisible to or not handled by whatever process one had hoped to be subject to; to be overlooked.

Last updated August 10, 2026