Word: Anomie.

From dictionary.com and the American Heritage Dictionary:

an·o·mie or an·o·my, n.

1. Social instability caused by erosion of standards and values.
2. Alienation and purposelessness experienced by a person or a class as a result of a lack of standards, values, or ideals: “We must now brace ourselves for disquisitions on peer pressure, adolescent anomie and rage” (Charles Krauthammer).