We found one dictionary that defines the word collaborational:

General (1 matching dictionary)

1. collaborational: Wiktionary

Definitions from Wiktionary (collaborational) ▸ adjective:  Synonym of collaborative. ▸ Words similar to collaborational ▸ Usage examples for collaborational ▸ Idioms related to collaborational ▸ Wikipedia articles (New!) ▸ Popular nouns described by collaborational ▸ Words that often appear near collaborational ▸ Rhymes of collaborational ▸ Invented words related to collaborational