idiocy

1 ENTRIES FOUND:
idiocy /ˈɪdijəsi/ noun
plural idiocies
idiocy
/ˈɪdijəsi/
noun
plural idiocies
Britannica Dictionary definition of IDIOCY
1 
[noncount] : extreme stupidity
2 
[count] : something that is extremely stupid or foolish : an idiotic action or statement