We found 23 dictionaries that define the word IWW:

General (16 matching dictionaries)

1. IWW: Merriam-Webster
2. IWW: Oxford Learner's Dictionaries
3. IWW: American Heritage Dictionary of the English Language
4. IWW: Collins English Dictionary
5. I.W.W, IWW: Vocabulary.com
6. IWW: Wordnik
7. IWW: Wiktionary
8. IWW: Webster's New World College Dictionary, 4th Ed.
9. IWW, i.w.w: Dictionary.com
10. IWW (disambiguation), IWW, Iww: Wikipedia, the Free Encyclopedia
11. I.w.w, Iww: Rhymezone
12. IWW: Stammtisch Beau Fleuve Acronyms
13. i.w.w, iww: FreeDictionary.org
14. i.w.w, iww: Mnemonic Dictionary
15. I.W.W, IWW: TheFreeDictionary.com
16. IWW: Merriam-Webster

Business (1 matching dictionary)

17. IWW: Legal dictionary

Computing (1 matching dictionary)

18. I.W.W, IWW: Encyclopedia

Miscellaneous (2 matching dictionaries)

19. IWW: Acronym Finder
20. AbbreviationZ (No longer online)

Slang (2 matching dictionaries)

21. IWW: The Folk File
22. iww: Urban Dictionary

Tech (1 matching dictionary)

23. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

(Note: See iwws as well.)

Definitions from Wiktionary (IWW) ▸ noun:  (US, labor union) Industrial Workers of the World Similar: ICWUC, IWWD, ILGWU, IBEW, Black International, Umwa, ICEM, Teamsters, UFCW, WFTU, more... Opposite: Unfortunately Phrases: umr iww, more... Adjectives: radical, old, local, militant, national, revolutionary, anti, syndicalist, many, original, pro ▸ Words similar to IWW ▸ Usage examples for IWW ▸ Idioms related to IWW ▸ Wikipedia articles (New!) ▸ Popular adjectives describing IWW ▸ Words that often appear near IWW ▸ Rhymes of IWW ▸ Invented words related to IWW