(n.) The quality or state of being loud.

amplitude arsenic green auditory effect auditory phenomenon blatancy brazenness clashing colors coarseness color clash colorfulness crassness crudeness crudity dash dazzle dazzlingness earthiness extravagance extravaganza extravagation flagrancy flamboyance flashiness gaiety garishness gaudery gaudiness glare glitter gorgeousness grossness jaundiced yellow jauntiness jazziness luridness meretriciousness noise obscenity obtrusiveness panache phone rawness ribaldry roughness rudeness screaming color sensationalism shamelessness shocking pink showiness sonance sound sound intensity level sound propagation sound wave speech sound sportiness tawdriness ultrasound vulgarness