optionalrule

noun
UK /ˈɒpʃənəl ruːl/
US /ˈɑːpʃənəl ruːl/

A rule you can choose to follow or not follow.

Wearing a hat is an optionalrule at our school.

SYNONYMS

choiceguidelinesuggestionflexible rule

RELATED WORDS

optionrulechoicefreedompermission

OTHER MEANINGS

2. A setting you can turn on or off.

The game has an optionalrule for extra lives.

3. A rule that is not required by law.

Recycling is an optionalrule in some towns.

4. A rule that only applies if you want it to.

Bringing a snack is an optionalrule for the trip.