a loud noise or clamor, esp. of a disturbing or confusing kind; din; uproar

The traffic made a terrible racket in the street below.

social excitement, gaiety, or dissipation.

an organized illegal activity, such as bootlegging or the extortion of money from legitimate business people by threat or violence.

a dishonest scheme, trick, business, activity, etc.

the latest weight-reducing racket.

Usually, the rackets. organized illegal activities

Some say that the revenue from legalized gambling supports the rackets.

Slang .

an occupation, livelihood, or business.

an easy or profitable source of livelihood.

to make a racket or noise.

to take part in social gaiety or dissipation.

noun

harmony , peace

noun

agitation , babel , battle , blare , brawl , clamor , clangor , clash , clatter , din , disturbance , fracas , free-for-all * , fuss , hoo-ha * , hubbub * , jangle , noise , outcry , pandemonium , riot , roar , row , ruction , rumpus * , shouting , shuffle , squabble , squall , stir , to-do * , tumult , turbulence , turmoil , uproar , vociferation , wrangle , cheating , confidence game , con game , conspiracy , corruption , crime , dirty pool * , dishonesty , dodge , extortion , fraud , game , graft , illegality , illicit scheme , intrigue , lawlessness , lay , plot , push , scheme , shakedown , squeeze * , swindle , swindling , theft , trick , underworld , hubbub , hullabaloo , rumpus , art , calling , career , craft , employment , job , line , mtier , occupation , profession , pursuit , trade , vocation , work , (slang) carouse , business , bustle , commotion , dissipation , hilarity , revel