a word meaning complete and utter failure
fiasco
Debacle :)
Fiasco
It can be, to mean complete (utter failure, utter folly). The verb "to utter" means to speak.
of Utter
"Derek's confidence preluded his utter failure."
Fiasco.
An epic failure is an utter, total failure, so spectacular it is better than most and deserves a special mention.
Utter nonsense.
utter
utter