( BrE ) ( of plans or principles ) to be rejected or ignored; to be no longer possible :
All her efforts to be polite went by the board and she started to shout.
( BrE ) ( of plans or principles ) to be rejected or ignored; to be no longer possible :
All her efforts to be polite went by the board and she started to shout.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005