1 dispose of (something)
a : to throw (something) away : to get rid of (something)
The waste was not properly disposed of.
Please dispose of your cigarette butts in one of the ashtrays available.
b formal : to deal with and finish (something)
I have some business to dispose of [=(less formally) wrap up, take care of] before we meet.
c law : to give control or ownership of (land, possessions, etc.) to someone
A will is a legal document that is used to dispose of property.
2 dispose of (someone or something)
a : to defeat (a person or team) in a game, contest, etc.
She easily disposed of her opponent.
b : to kill (a person or animal)
The article includes a list of the weapons the soldiers used to dispose of their enemies.