Crossword Puzzle Sound dumbfounded

Clue: Sound dumbfounded

Without a sound (e.g. QUIETLY with 7 letters)
Sounded again and again (ECHOED with 6 letters)
Cheerful sound? (RAH with 3 letters)
Tabby's sound (MEOW with 4 letters)
Annual horse race, one that sounds ominous to Dracula? (BELMONTSTAKES with 13 letters)
Some sounds are in it (EARSHOT with 7 letters)
Provide a new soundtrack for (REDUB with 5 letters)
Sound from a lily pad (CROAK with 5 letters)
Farm sound (e.g. BAA with 3 letters)
"Why me?" sound (SIGH with 4 letters)