honestyrule
nounUK /ˈɒnɪstɪ ruːl/
US /ˈɑːnɪsti ruːl/
A rule that says you must always tell the truth.
Our teacher made an honestyrule for the classroom so nobody would cheat.
OTHER MEANINGS
2. A family guideline that everyone must be honest with each other.
The honestyrule at home means we never hide mistakes from our parents.
3. A promise to be truthful in a game or contest.
Before the board game, the kids agreed on an honestyrule about not peeking at cards.
4. A simple principle that telling the truth is always best.
Grandpa lives by an honestyrule and always returns extra change at the store.