finalrule

noun
UK /ˈfaɪnəl ruːl/
US /ˈfaɪnəl ruːl/

The last rule that everyone must follow.

The teacher said the finalrule is to be quiet in the library.


OTHER MEANINGS

2. A decision that cannot be changed.

The judge's finalrule ended the game.

3. The last step in making a set of rules.

After much talk, they agreed on the finalrule.

4. The most important rule to remember.

Safety is the finalrule at the pool.