noun
[ usually sing. ] ( formal ) a situation in which you think that sth good is going to happen but it does not :
a false dawn for the economy
noun
[ usually sing. ] ( formal ) a situation in which you think that sth good is going to happen but it does not :
a false dawn for the economy
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005