wordlessorder

noun
UK /ˈwɜːdləs ˈɔːdə/
US /ˈwɝːdləs ˈɔːrdɚ/

A rule that everyone understands without anyone saying it.

The children lined up quietly, following the wordless order of the teacher's raised hand.


OTHER MEANINGS

2. A command given only by a look or gesture.

With a wordless order, the coach told the team to run faster.

3. An arrangement that seems to organize things by itself.

The shelves fell into a wordless order after the librarian sorted them.

4. A quiet agreement among people about what to do.

By wordless order, everyone stopped talking when the baby fell asleep.