Related Clues:

• Harder on the ears
• More likely to be ousted from the library
• Making more of a racket
• More clamorous
• More deafening
• Less reticent
• More boisterous
• Louder
• There's more of this, by the sound of it
• More loud, weird or outré
• More of a racket
• Less quiet
• Less well behaved
• Perhaps more disturbing volume excluded from upcoming exam preparation
• New word that is right for 'noisier'