Loud (6)
'loud' is the definition.
(associated in meaning)
This is all the clue.
(Other definitions for noisy that I've seen before include "ear-piercing maybe!" , "like thirteen [HARD ROCK]" , "Making much sound" , "Unpleasantly loud" , "Vociferous" .)
(Other definitions for brash that I've seen before include "Vulgarly self-assertive, impudent" , "loose broken rock" , "Cocky and tactless" , "Impertinent" , "forward" .)
'loud' is the definition.
(I know that loud can be written as garish)
This is all the clue.
(Other definitions for garish that I've seen before include "Obtrusively bright" , "Bright and showy" , "Cheap, flash" , "Gaudy, vulgarly bright" , "Gaudy, excessively bright" .)