Anomie

A state of personal unrest, meaninglessness, and purposeless. Anomie can also refer to the absence of moral values and norms that cause one to feel disconnected from society.

Reference:
Heydari, A., Davoudi, I., & Teymoori, A. (2011). Revising the assessment of feeling of anomie: Presenting a multidimensional scale. Procedia-Social and Behavioral Sciences, 30, 1086-1090.