0 to kill someone as a legal punishment: --
He was executed for murder.
1 to do or perform something, especially in a planned way: --
3 to kill someone as a legal punishment --
5 to make a computer program or instruction work: --
A firing squad was ordered to take the prisoners to a nearby clearing and execute them.
Anyone caught trying to escape from the prison camp would be executed on the spot.
Guy Fawkes was executed for treason after he took part in a plot to blow up the British Parliament building.
A convicted murderer was executed in North Carolina yesterday.