disaffection

noun

1. The act of estranging or the condition of being estranged: alienation, estrangement. See love/hatred.
2. An interruption in friendly relations: alienation, breach, break, estrangement, fissure, rent², rift, rupture, schism, split. See assemble/disassemble, help/harm/harmless.

The noun has 2 meanings:

Meaning #1: the feeling of being alienated from other people
  Synonyms: alienation, estrangement

Meaning #2: disloyalty to the government or to established authority