Answer: louder

AnswerCrossword Clue
LOUDER

"I can't hear you!"

LOUDER

"Turn it up!"

LOUDER

Frustrated shout from the audience

LOUDER
Shout from the back
LOUDER
"Turn it up, please"
LOUDER"More volume!"
LOUDERMore garish
LOUDERBack-row cry
LOUDERCheerleader's exhortation
LOUDER"Turn it up, please!"
LOUDERMore clamorous
LOUDERMore ostentatious
LOUDERGallery cry, to a timid speaker.
LOUDERMore vociferous.
LOUDERShowier: Colloq.
LOUDERCry from the back row.
LOUDERIn the higher decibel range.
LOUDERMore garish.
LOUDERMore clashing
LOUDER"... and funnier"
LOUDERRequest from the gallery
LOUDERPartner of funnier
LOUDERMore stentorian
LOUDERWith more decibels
LOUDERMore flashy
LOUDER"Speak up!"
LOUDERLess quiet
LOUDER'Speak up!'
LOUDERShout from a back seat maybe
LOUDERCheerleader.s exhortation
LOUDERMore gaudy
LOUDERGaudier
LOUDER"I can't hear yet!"