1. To clear something totally out or away from something. A noun or pronoun can be used between "purge" and "away." We'll need to purge away the contaminated coolant before we operate the machinery again. I recommend emptying the tank of your lawn mower after the winter to purge old fuel away.

2. To cleanse one's mind or soul of something impure. A noun or pronoun can be used between "purge" and "away." I recommend you turn to prayer to purge away those evil thoughts. Your obsessive focus on purging sin away from the souls of your congregation has become a sin unto itself.