noun ·7 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   A tendency of nations to act on their own, or with only minimal consultation and involvement with other nations. countable, uncountable
2. 2
   the doctrine that nations should conduct their foreign affairs individualistically without the advice or involvement of other nations wordnet

Etymology

From unilateral + -ism.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.