Answer:

noisily

Answer	Crossword Clue
NOISILY	How a snorer sleeps
NOISILY	How people might celebrate
NOISILY	How New Year's Eve is often celebrated

NOISILY	One way to celebrate
NOISILY	With clamor.
NOISILY	Loudly.
NOISILY	How some chew gum or talk on cellphones
NOISILY	In a racket-filled way
NOISILY	Clamorously