'Wickedness' in the Bible

Therefore, rid yourselves of everything impure and every expression of wickedness, and with a gentle spirit welcome the word planted in you that can save your souls.

And the tongue is [in a sense] a fire, the very world of injustice and unrighteousness; the tongue is set among our members as that which contaminates the entire body, and sets on fire the course of our life [the cycle of man’s existence], and is itself set on fire by hell (Gehenna).