Spiders in a dream may represent different things and will depend on how you feel about spiders. Spider dreams can be either negative or positive in nature. Often a spider is associated with the aspects of feminine energy and therefore may represent a woman in your life. This will likely be a strong, overbearing mother or another powerful woman. It may also represent the archetypal feminine energy within yourself or an aspect of yourself. A spider in a dream may also represent other aspects of the feminine archetype.
In waking life teeth have two purposes; to chew our food to take in nourishment and to make us look better. Dreams about teeth then, may suggest there is something you need to chew over or think about more or you may be concerned about your appearance and how other perceive you.
In movies, books and video games, Zombies are known as the “undead”. They are shown as being detached from others and without emotion. They have no purpose or goals in life. In dreams, Zombies represent aspects of self or others that exhibit these same characteristics.