Definitions

1. adjective

noisy and causing a commotion

“The city was known for being the racketiest place in the country during the music festival.”

2. adjective

most noisy or boisterous

“The racketiest crowd cheered on their favorite team at the championship game.”

3. noun

the most noisy or boisterous person

“He was the racketiest person at the party, causing a scene with his loud behavior.”