Collaborationism

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The act of collaborating, especially with an enemy. uncountable, usually
  2. 2
    act of cooperating traitorously with an enemy that is occupying your country wordnet

Synonyms

All synonyms
collaborationcollaborationquislingism

Etymology

From collaboration + -ism.

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