(law) A legal requirement in some jurisdictions that a threatened individual cannot harm another in self-defense when it is possible instead to retreat to a place of safety.

Military labour not requiring the use of armaments.

Alternative form of dutybound

A legal obligation to provide maintenance for another person, such as one's child, spouse or former spouse.

(idiomatic) As part of or while performing official duties, usually of the military or police personnel, or of government officials.

The ace of spades with a duty legal stamp, reflecting the tax owing on a pack of playing cards.

Synonym of Old Frizzle

plural of duty ace

plural of duty card

plural of duty-free