Big fuss

The answer to the crossword question “Big fuss is STINK” is the word “ado“. The key to the answer lies in the phrase “big fuss“, which is a synonym for “ado“. The second part of the clue, “is STINK”, serves as a hint to the solution in which we need to find a word that is synonymous to fuss or ado. Therefore, the answer to this crossword puzzle is “ado“, which is commonly used to describe a great deal of fuss or commotion over something minor or insignificant.