AROAR

• At the top of one's lungs

• Bellowing

• Boisterous

• Booming

• Bustling with noise

• Bustling with noise or excitement

• Buzzing with excitement

• Cacophonous

• Cacophonous, as a crowd

• Cacophonous, as an ocean

• Chaotic

• Cheering

• Cheering in a big way

• Cheering loudly

• Cheering madly

• Cheering noisily

• Cheering wildly

• Cheering wildly, as a stadium crowd

• Cheering, as a crowd

• Cheering, perhaps

• Clamoring

• Clamoring en masse

• Clamorous

• Clamorous, as a stadium crowd

• Creating a din

• Crying out loud

• Deafening

• Disorderly

• Full of noise

• Homering at home'll bring this from the crowd

• Howling with laughter

• Howling, as with laughter

• In a hullabaloo

• In full voice

• It may rise after a touchdown

• Jubilantly noisy, as a crowd

• Laughing loudly

• Let out ___ (bellow like a lion)

• Let out ___ (bellow)

• Like a boisterous crowd

• Like a cheering crowd

• Like a crowd after a home-team touchdown

• Like a crowd after a homer by the home team

• Like a homer's crowd

• Like a loud crowd

• Like a loud crowd of rowdies

• Like a loud waterfall

• Like a noisy crowd

• Like a partisan crowd

• Like a partisan crowd, at times

• Like a raucous stadium crowd

• Like a stadium after a homer

• Like a stadium crowd

• Like a stadium full of cheering fans

• Like a stadium, at times

• Like a supportive crowd

• Like a wild crowd

• Like a World Cup crowd

• Like an excited crowd

• Like an excited World Series crowd

• Like Angel Falls

• Like appreciative fans

• Like boisterous crowds

• Like bowls, at times

• Like cheering crowds

• Like Citi Field when David Wright knocks a homer

• Like crashing waves

• Like crowds in the heat of a match

• Like enthusiastic fans

• Like excited crowds

• Like excited fans

• Like fans after a touchdown

• Like football crowds

• Like heavy surf

• Like loud crowds

• Like loud surf

• Like many sports crowds

• Like monster trucks or their spectators

• Like Niagara Falls

• Like some big falls

• Like some crowds

• Like stadiums after touchdowns

• Like the pounding surf

• Like the scoring team's fans

• Like the surf

• Like thundering crowds

• Like thunderous crowds

• Like World Cup crowds

• Loud

• Loud as a crowd

• Loud, as a stadium crowd

• Loud, as fans

• Loud, as the surf

• Loud, like a crowd

• Loud, like fans

• Loud, like the ocean

• Loud, like the surf

• Making a lot of noise

• Noisy

• Noisy, to Noyes

• Plenty loud

• Quite loud

• Raging

• Reacting to a home run, perhaps

• Reacting to a touchdown, perhaps

• Really loud

• Really loud, as a crowd

• Really noisy

• Reboant

• Riotous

• Rocking with laughter

• Screaming

• Shouting

• Shouting, as a crowd

• Sounding like lions

• Sounding like Niagara

• Sounding like the surf

• Stadium atmosphere

• Supporting the home team, e.g.

• Supremely noisy

• Thundering

• Thunderous

• Tumultuous

• Vociferous

• Wildly cheering

• With great noise