hushrule
nounUK /ˈhʌʃruːl/
US /ˈhʌʃruːl/
A hushrule is a special rule that tells people to be very quiet.
The librarian reminded everyone about the hushrule before story time began.
OTHER MEANINGS
2. A household rule that keeps noise low during certain hours.
The family's hushrule meant no loud music after nine o'clock.
3. A strict instruction to stop talking immediately.
The teacher's hushrule ended the chatter in seconds.
4. A guideline for keeping a shared space calm and peaceful.
The meditation room had one simple hushrule posted on the door.