Most piercing (7)
I believe the answer is:
loudest
(Other definitions for loudest that I've seen before include "Highest in volume" , "Most noisy" , "Making the most noise" , "Most flashy" , "Most deafening" .)
I believe the answer is:
loudest
(Other definitions for loudest that I've seen before include "Highest in volume" , "Most noisy" , "Making the most noise" , "Most flashy" , "Most deafening" .)