n.
1.a state of separation between persons or groups
2.the act of isolating something
3.a feeling of being disliked and alone
4.preference for seclusion or isolation
5.(psychiatry) a defense mechanism in which memory of an unacceptable act or impulse is separated from the emotion originally associated with it
6.a country's withdrawal from internal politics
Idiom of the Day
ring down the curtain on (something)
to bring something to an end
The famous singer rang down the curtain on an evening of wonderful music.