To see the letter "S" in your dream suggests that there is something that needs your attention.
Sabotage
To dream that you have been sabotaged indicates that there is something that you are ignoring or overlooking in your waking life.
To dream that you are sabotaging something or someone indicates that an overwhelming anxiety is threatening the boundary between your subconscious and your ego. You are feeling conflicted between right and wrong. Alternatively, the dream means that you need to get rid of your old attitudes and former ways of thinking
Sack
To see a sack in your dream symbolizes the womb and your sense of security. Alternatively, it represents your burdens and responsibilities.
Sackcloth
To wear a sackcloth in your dream represents humility and humbleness. It also indicates that you need to repent for some misdeed that you have committed.
Sacred
To dream that something is sacred symbolizes the things that you hold close and value. You have invested time and energy into its development and it is paying off.
Sacrifice
To dream that you are being sacrificed signifies your tendency to punish yourself. The dream may parallel waking sentiments where you feel that others do not appreciate your talents and efforts or that you are not being recognized for what you have given up. Alternatively, the dream means that you need to eliminate certain aspects of your life and make time and space for more productive and rewarding experiences.
To see an animal being sacrificed in your dream indicates that you are ready to give up your basic, carnal desires for spiritual pursuits and enlightenment.