1) Deepest azure 2) Down the most 3) Least cheerful 4) Like the most clear sky 5) Most azure 6) Most bummed 7) Most depressed 8) Most down 9) Most downhearted 10) Most melancholy 11) Most morose 12) Most sad 13) Saddest Found on https://www.crosswordclues.com/clue/bluest
1) Deepest azure 2) Down the most 3) Least cheerful 4) Like the most clear sky 5) Most azure 6) Most bummed 7) Most depressed 8) Most down 9) Most downhearted 10) Most melancholy 11) Most morose 12) Most sad 13) Saddest