Exceptionally good is an expression used to describe something that is of very high quality. The term can be broken down into two crossword solutions: CRACKERJACK (11 letters) and SUPERB (6 letters). CRACKERJACK is an American term that is used to describe something that is of the highest quality, while SUPERB is a more general term that is used to describe something that is of excellent quality. Both terms are used to describe something that is exceptionally good.