We found 29 dictionaries that define the word loudness:

General (20 matching dictionaries)

1. loudness: Merriam-Webster
2. loudness: Oxford Learner's Dictionaries
3. loudness: Collins English Dictionary
4. Loudness, loudness: Wordnik
5. loudness: Cambridge Advanced Learner's Dictionary
6. loudness: Wiktionary
7. Loudness, loudness: Dictionary.com
8. loudness: Cambridge Essential American English Dictionary
9. Loudness (album), Loudness (band), Loudness: Wikipedia, the Free Encyclopedia
10. Loudness: Online Plain Text English Dictionary
11. loudness: Webster's Revised Unabridged, 1913 Edition
12. loudness: Rhymezone
13. Loudness: AllWords.com Multi-Lingual Dictionary
14. loudness: Webster's 1828 Dictionary
15. loudness: FreeDictionary.org
16. loudness: Mnemonic Dictionary
17. loudness: TheFreeDictionary.com
18. loudness: Vocabulary.com

Business (1 matching dictionary)

19. loudness: Legal dictionary

Computing (1 matching dictionary)

20. loudness: Encyclopedia

Miscellaneous (2 matching dictionaries)

21. Encyclopedia of Graphic Symbols (No longer online)
22. loudness: Idioms

Slang (1 matching dictionary)

23. loudness: Urban Dictionary

Tech (4 matching dictionaries)

24. LOUDNESS: NOISE CONTROL TERMS
25. Rane Professional Audio Reference (No longer online)
26. Sweetwater Music (No longer online)
27. loudness (volume): Television: Critical Methods and Applications

Definitions from Wiktionary (loudness) ▸ noun:  the perceptual strength or amplitude of sound pressure, measured in sones or phons ▸ noun:  the physical strength of the sound pressure level, measured in decibels Similar: intensity, volume, flashiness, meretriciousness, glitz, gaudiness, garishness, brashness, tawdriness, sone, more... Opposite: quietness, softness, stillness, calmness, serenity Types: decibel, amplitude, more... Phrases: loudness level, loudness recruitment, loudness perception, alternate binaural loudness balance test, binaural alternate loudness balance test, more... Adjectives: equal, relative, same, subjective, apparent, greater, vocal, total, maximum, normal, excessive ▸ Words similar to loudness ▸ Usage examples for loudness ▸ Idioms related to loudness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing loudness ▸ Words that often appear near loudness ▸ Rhymes of loudness ▸ Invented words related to loudness