strictrule

noun
UK /ˈstrɪkt ruːl/
US /ˈstrɪkt ruːl/

A strict rule is a rule that you must always follow and never break.

Our teacher has a strict rule about raising your hand before speaking.


OTHER MEANINGS

2. A rule that is enforced with no exceptions or flexibility.

The library has a strict rule against eating near the books.

3. A firm guideline that keeps things safe and fair.

There is a strict rule that everyone must wear a helmet when riding bikes.

4. A rule that is followed very carefully and seriously.

The game has a strict rule about not touching the ball with your hands.