English Reference
Idiom idiom

lay down the law


To authoritatively or dogmatically assert what is permitted or not permitted.

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


SIMPLE

My boss laid down the law about office hours.

CONTEXTUAL

The teacher had to lay down the law when the students started talking during the exam.

COMPLEX

After weeks of chaos in the department, the new manager finally laid down the law regarding professional conduct and attendance.


Related idioms8entries
  1. 01

    a wild goose never laid a tame egg

    Most things are inherited and predetermined.

  2. 02

    best laid plans

    A proverbial expression used to signify the futility of making detailed plans when the ability to fully or even partially execute them is uncertain.

  3. 03

    have the law of

    To take legal action against someone.

  4. 04

    kill the goose that lays the golden eggs

    To seek short-term gain at the sacrifice of long-term profit.

  5. 05

    lay a finger on

    To merely touch.

  6. 06

    lay an anchor to the windward

    To adopt precautionary or anticipatory measures for potential future success or security.

  7. 07

    lay an egg

    To produce a failure or flop; to do something which is unsuccessful.

  8. 08

    lay at someone's door

    To blame (a problem) on someone; to hold someone responsible for (something).

Last updated August 10, 2026