'isolationism' definitions:

Definition of 'isolationism'

From: WordNet
noun
A policy of nonparticipation in international economic and political relations

Definition of 'isolationism'

From: GCIDE
  • isolationism \i`so*la"tion*ism\ ([imac]`s[-o]*l[=a]"sh[u^]n*[i^]z'm), n. [Cf. F. isolation.] The doctrine or policy of minimal participation by one's country in international economic and political relations, specifically by not entering into alliances or other international agreements, in order to avoid becoming entangled in foreign wars, and to be able to devote the nation's energies primarily to advancing its own domestic interests. [PJC]

Synonyms of 'isolationism'

From: Moby Thesaurus