isolation

英[aɪsə'leɪʃ(ə)n] 美[,aɪsə'leʃən]

1. a state of separation between persons or groups

2. the act of isolating something; setting something apart from others

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;

"he opposed a policy of American isolation"