To see a spider in your dream, signifies that you are feeling trapped in some situation or relationship. You feel lost and that there is no way out. The spider is also symbolic of feminine power. It can be a warning against a temptation. You need to stay away from an alluring and tempting situation.

To kill a spider denotes difficulties and general bad luck.

To dream that you are bitten by a spider represents a conflict with your mother or some dominant female figure in your life.