fixedrule

noun
UK /fɪkst ruːl/
US /fɪkst ruːl/

A rule that always stays the same and cannot be changed.

The teacher said wearing shoes is a fixedrule in the classroom.


OTHER MEANINGS

2. A rule that is firmly decided and not open to discussion.

The club has a fixedrule about starting meetings on time.

3. A standard that everyone must follow without exception.

Safety is a fixedrule at the swimming pool.

4. A rule that is written down and never adjusted.

The game has a fixedrule that each player gets three turns.