noun
[ usually sing. ] action that is taken to hide a mistake or illegal activity from the public :
Government sources denied there had been a deliberate cover-up.
noun
[ usually sing. ] action that is taken to hide a mistake or illegal activity from the public :
Government sources denied there had been a deliberate cover-up.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005