Chainsaws are used to cut, sever, separate and cut down. If you are using a chainsaw in the dream, then you are currently trying to sever an issue, behavior or person from your life. If someone is chasing you with a chainsaw then you are resisting a separation that needs to take place. Is there someone or something that needs to be cut out of your life? Time to ask yourself if it’s best to let this issue, behavior or person go or not.