silentcustom

noun
UK /ˈsaɪlənt ˈkʌstəm/
US /ˈsaɪlənt ˈkʌstəm/

A silent custom is a tradition that people follow without talking about it.

Taking off your shoes at the door is a silent custom in many homes.


OTHER MEANINGS

2. A rule that everyone knows but nobody says out loud.

Not sitting in someone's seat is a silent custom at school.

3. A way of doing things that is passed down without words.

The silent custom of sharing food at the table has lasted for years.

4. A quiet behavior that a group expects from its members.

Waiting in line is a silent custom in the city.