1. After her death, a devoted aide fulfilled the duty for a quarter of a century.
2. He received the death penalty on the graft charge and 7 years in imprisonment for the charge of dereliction of duty.
3. Two school principals were suspended from duty after being held responsible for a student's death, suspected to have been caused by severe punishment.
4. But they all mourn the death of a hero whose life was tragically cut short in the course of duty.
5. When millions of children starve to death or perish from a mosquito bite, we're not doing our duty in the world.
noun
1. death duty
1. a tax on the estate of the deceased person
Synonym: inheritance tax estate tax death tax