tacitrule
nounUK /ˈtæsɪt ruːl/
US /ˈtæsɪt ruːl/
A rule that everyone knows but nobody says out loud.
In our class, the tacitrule is that you don't take the last cookie.
RELATED WORDS
OTHER MEANINGS
2. An unofficial guideline that people follow without being told.
The tacitrule at the office is to keep meetings short.
3. A shared habit in a group that acts like a rule.
There's a tacitrule among the players to pass the ball to the new kid.
4. A hidden expectation that everyone quietly accepts.
The tacitrule of the family dinner is no phones at the table.