To rid (a person, place or thing) of an evil spirit.
To drive out (an evil spirit) from a person, place or thing, especially by an incantation or prayer.
To destroy or abolish something.
To obscure or eclipse something.
To hunt down (a species) to extinction.
To bring about the extinction of a conditioned reflex.
To put out, as in fire; to end burning; to quench.
To die out.
To kill.