collaborationism collaboration • collaborationist · · · Info · Definitions · Synonyms · Characters · · collaborationism · · Text Latin · · Script 16 · · Length Definitions · · · (noun) act of cooperating traitorously with an enemy that is occupying your country. Synonyms: collaboration, quislingism. · · Noun Definition 1 Synonyms · · · collaboration · · Synonym 1 quislingism · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074