The meaning of dreaming about an iceberg is that you don't use your maximum potential and your fully forces. Or you try to hide under a facade. Alternatively, The meaning of this dream is that you don't look closely enough in case of decisions or problems. You have to look clear and beyond the surface.
You may look in dreams interpretation for other symbols :
Icecream : If you dream that you eat ice cream, the interpretation is about luck, pleasure, success in love and satisfaction in your life. You need to savor the moment and ... html">
Immigrant : If you are not an immigrant but you dream that you are an immigrant or someone is an immigrant, the interpretation is that you recognize an own unexpressed aspect. ...