Definition of isolationist in English:

isolationist

noun

  • A person favouring a policy of remaining apart from the affairs or interests of other groups, especially the political affairs of other countries.

    ‘there was intense opposition to the proposal from isolationists’

adjective

  • Favouring a policy of remaining apart from the affairs or interests of other groups.

    ‘the country pursued an isolationist policy’

Pronunciation

isolationist

/ʌɪsəˈleɪʃ(ə)nɪst/