hardrule
nounUK /ˈhɑːdruːl/
US /ˈhɑːrdruːl/
A hardrule is a rule that you must always follow and can never break.
Wearing a helmet is a hardrule when you ride a bike.
RELATED WORDS
OTHER MEANINGS
2. A rule in a game or sport that cannot be changed or ignored.
Not touching the ball with your hands is a hardrule in soccer.
3. A firm limit that a person or group refuses to cross.
Being kind to others is a hardrule in our classroom.
4. A fixed setting in a computer program that the user cannot change.
The app has a hardrule that blocks bad words.