Epic (4)
'epic' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for huge that I've seen before include "Unusually large" , "Massive" , "giant" , "Mammoth" , "Enormous" .)
(Other definitions for fail that I've seen before include "Be unsuccessful, say in exam" , "collapse" , "Break down" , "Go bankrupt" , "Flunk" .)
'epic' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for colossal that I've seen before include "Very big" , "Jumbo" , "Enormous, gigantic" , "Mammoth" , "Extremely large" .)