|A stronghold is an unbiblical idea or conclusion that distorts our perception so that God's principles don't seem to help us. Think how the three lies below will influence what decisions a person might make.
Strongholds shape our thoughts about God, others and ourselves in such a way that we live distorted lives. God takes back ground by ridding us of the lies and impact of them upon our lives.
These points were adapted from the very helpful
Anger Resolution Seminar