We found 26 dictionaries that define the word lossless:

General (16 matching dictionaries)

1. lossless: Merriam-Webster
2. lossless: Oxford Learner's Dictionaries
3. lossless: Collins English Dictionary
4. lossless: Vocabulary.com
5. Lossless, lossless: Wordnik
6. lossless: Wiktionary
7. lossless: Dictionary.com
8. Lossless: Wikipedia, the Free Encyclopedia
9. Lossless: Online Plain Text English Dictionary
10. lossless: Webster's Revised Unabridged, 1913 Edition
11. lossless: Rhymezone
12. lossless: Mnemonic Dictionary
13. Lossless: TheFreeDictionary.com
14. lossless: FreeDictionary.org
15. Lossless: AllWords.com Multi-Lingual Dictionary
16. lossless: Webster's 1828 Dictionary

Art (2 matching dictionaries)

17. lossless: Graphic Design Dictionary
18. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Computing (4 matching dictionaries)

19. lossless: Free On-line Dictionary of Computing
20. lossless: Encyclopedia
21. CNET Internet Glossary (No longer online)
22. Lossless: Tech Terms Computer Dictionary

Medicine (2 matching dictionaries)

23. lossless: Merriam-Webster Medical Dictionary
24. online medical dictionary (No longer online)

Tech (2 matching dictionaries)

25. PhotoNotes Dictionary of Film and Digital Photography (No longer online)
26. Lossless: Web Hosting Glossary

Definitions from Wiktionary (lossless) ▸ adjective:  Free from loss, especially not losing electrical energy or force. ▸ adjective:  (information theory) Not losing information. Similar: lossful, fluxless, compressionless, unslackening, forceless, stretchless, chargeless, damageless, loadless, dissipationless, more... Opposite: lossy, compressed, degraded, low-quality Phrases: Lossless compression, apple lossless, lossless codec, lossless audio compression, lossless predictive audio compression, more... ▸ Words similar to lossless ▸ Usage examples for lossless ▸ Idioms related to lossless ▸ Wikipedia articles (New!) ▸ Popular nouns described by lossless ▸ Words that often appear near lossless ▸ Rhymes of lossless ▸ Invented words related to lossless