A scarf worn around a character’s neck in a dream may bring attention to the throat area, perhaps suggesting that he is covering up or not expressing who he is. As an expression of style, a scarf may represent a suave and sophisticated demeanor.... Ariadne's Book of Dream
To see a scarf in your dream symbolizes self-restrictions. You may be too controlling of your emotions instead of expressing them. Or you may feel that your voice is being muffled.
To dream that you are wearing a scarf, suggests that you are separating your mind from your body. You may be relying too much on how you think, rather than how you feel, or vice versa.... My Dream Interpretation