cover–up

cover–up /ˈkʌvɚˌʌp/ noun
plural cover–ups
cover–up
/ˈkʌvɚˌʌp/
noun
plural cover–ups
Britannica Dictionary definition of COVER–UP
[count]
1 
: a planned effort to hide a dishonest, immoral, or illegal act or situation
2 
: an action or a way of behaving that is meant to prevent people from knowing about something
— see also cover up at 1cover