racketEnglishOxford American Thesaurusracket noun 1 the engine makes the most incredible racket: noise, din, hubbub, clamor, row, uproar, hullabaloo, tumult, commotion, rumpus, fracas, pandemonium, clangor, brouhaha, disturbance; crash, clatter, clash, babble, shouting, yelling, babel; West Indian bangarang. 2 informal he was accused of masterminding a gold-smuggling racket: criminal activity, illegal scheme/enterprise, fraud, fraudulent scheme, swindle, bit of sharp practice; informal game, scam, rip-off; British, informal ramp; North American, informal shakedown.