rules
nounUK /ruːlz/
US /ruːlz/
Rules are the things you must do or must not do.
We have to follow the rules at school.
RELATED WORDS
OTHER MEANINGS
2. The way things usually happen or work.
As a rule, I go to bed at nine.
3. To control or govern a place or people.
The queen rules the kingdom.
4. A straight line drawn with a ruler.
Draw a rule across the page.