Dream about killing large spider is unfortunately an alert for death and destruction. You are trying to escape from your problems. You know no limit. Your dream is sadly an admonition for the release of pent-up hostility and anger. You are feeling victimized or powerless.
Killing large spider dream points at conflict between your spiritual beliefs and what is practical. Your subconscious is calling you a chicken. You do not have a good handle of a situation. The dream suggests feelings of guilt and shame. You have not earned or deserved to be in this position you are at currently.
If you dreamt about killing large spider:
Although you are generally very conscientious when it comes to relationships, you may feel blocked in your attempts to get through to that special person. You will be urged to take a look at certain fears that may have been causing you to stay away when you thought you wanted to be close. In understanding this conflict, you will create the way for deep healing.