1. Collaborationism definition: act of cooperating traitorously with an enemy that is occupying your country synonyms: cooperation, quislingism, collaboration

2. Act of cooperating traitorously with an enemy that is occupying your country Familiarity information: Collaborationism used as a noun is very rare.

3. Collaborationism: 1 n act of cooperating traitorously with an enemy that is occupying your country Synonyms: collaboration , quislingism Type of: cooperation joint operation or action

4. Collaboration: 1 n act of working jointly “they worked either in collaboration or independently” Synonyms: coaction Type of: cooperation joint operation or action n act of cooperating traitorously with an enemy that is occupying your country Synonyms: Collaborationism , quislingism …