compulsorysign
nounUK /kəmˈpʌlsəri saɪn/
US /kəmˈpʌlsəri saɪn/
A compulsory sign is a sign that tells you that you must do something.
The compulsory sign at the pool said everyone must take a shower before swimming.
RELATED WORDS
OTHER MEANINGS
2. A traffic sign that orders drivers to take a certain action.
The blue compulsory sign showed drivers they had to turn right.
3. A symbol on a form showing that a field must be filled in.
The compulsory sign next to the name box meant you could not skip it.
4. A notice in a building that states something everyone must do.
A compulsory sign by the door reminded workers to wear helmets.