The term 'BIG FAILURE' can be summarized by three crossword solutions: FLOP (4 letters), ENRON (5 letters), and FIASCO (6 letters). FLOP is a slang term for a complete failure or disaster. ENRON was an American energy company that went bankrupt in 2001 due to fraudulent accounting practices. FIASCO is a term used to describe a situation that has been badly handled, resulting in a public embarrassment or humiliation. All three terms are used to describe a large-scale failure.