a ‧ li ‧ en ‧ a ‧ tion /ˌeɪliəˈneɪʃ ə n/ BrE AmE noun [uncountable]
1 . the feeling of not being part of society or a group
alienation from
Unemployment may provoke a sense of alienation from society.
2 . when someone becomes less friendly, understanding, or willing to give support as the result of something that happens or is done
alienation of
the alienation of voters