'Loudness' definitions:

Definition of 'loudness'

From: WordNet
noun
The magnitude of sound (usually in a specified direction); "the kids played their music at full volume" [syn: volume, loudness, intensity] [ant: softness]
noun
Tasteless showiness [syn: flashiness, garishness, gaudiness, loudness, brashness, meretriciousness, tawdriness, glitz]

Definition of 'Loudness'

From: GCIDE
  • Loudness \Loud"ness\, n. The quality or state of being loud. [1913 Webster]

Synonyms of 'loudness'

From: Moby Thesaurus