Answer: roar

AnswerCrossword Clue
ROARJet or surf sound
ROARCrowd's tumult
ROARNoise of engines
ROARBoisterous outcry
ROARGuffaw
ROARLeonine call
ROARCataract sound
ROARSound of surf
ROARCrowd emission
ROARSound of falls
ROAR2013 Katy Perry hit
ROARBelly laugh
ROARPride signal
ROARLaugh loudly
ROARLeonine cry
ROARLoud outburst
ROARSound from a den
ROAROpening sound of an MGM film
ROARSpeak thunderously
ROARStadium cheer
roarloud, deep sound
ROARGrowl loudly
ROARCrowd sound
ROAREngine sound
ROARGrandstand sound
ROARLaugh heartily
ROARLeo's cry
ROAROcean sound
ROARStadium sound
ROARTwenties sound?
ROARDen sound
ROARBellow
ROARHave a good laugh
ROARHearty sound
ROARCrowd's noise
ROARLeo's comment
ROARSound of waves
ROARSurf sound
ROARNiagara feature
ROARSimba's cry