above boardEnglishOxford New American Dictionaryabove board /əˈbəv ˌbôrd, əˈbəv ˌbɔrd / (also aboveboard) ▸ adjective legitimate, honest, and open: we felt the judging was all above board and fair certain transactions were not totally above board. ▸ adverb in a legitimate, honest, and open way: the accountants acted completely above board.