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We found 47 dictionaries with English definitions that include the word voluntary:
Click on the first link on a line below to go directly to a page where "voluntary" is defined.

General (31 matching dictionaries)

1. voluntary: Merriam-Webster.com [home, info]
2. voluntary: Oxford Learner's Dictionaries [home, info]
3. voluntary: American Heritage Dictionary of the English Language [home, info]
4. voluntary: Collins English Dictionary [home, info]
5. voluntary: Vocabulary.com [home, info]
6. voluntary, voluntary: Macmillan Dictionary [home, info]
7. Voluntary, voluntary, voluntary: Wordnik [home, info]
8. voluntary: Cambridge Advanced Learner's Dictionary [home, info]
9. voluntary: Wiktionary [home, info]
10. voluntary: Webster's New World College Dictionary, 4th Ed. [home, info]
11. voluntary: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. voluntary: Infoplease Dictionary [home, info]
13. voluntary: Dictionary.com [home, info]
14. voluntary: Online Etymology Dictionary [home, info]
15. voluntary: UltraLingua English Dictionary [home, info]
16. voluntary: Cambridge Dictionary of American English [home, info]
17. Voluntary (disambiguation), Voluntary (music), Voluntary: Wikipedia, the Free Encyclopedia [home, info]
18. Voluntary: Online Plain Text English Dictionary [home, info]
19. voluntary: Webster's Revised Unabridged, 1913 Edition [home, info]
20. voluntary: Rhymezone [home, info]
21. voluntary: AllWords.com Multi-Lingual Dictionary [home, info]
22. voluntary: Webster's 1828 Dictionary [home, info]
23. voluntary: Hutchinson's Dictionary of Difficult Words [home, info]
24. voluntary: Free Dictionary [home, info]
25. voluntary: Hutchinson Dictionaries [home, info]
26. voluntary: Mnemonic Dictionary [home, info]
27. voluntary: WordNet 1.7 Vocabulary Helper [home, info]
28. voluntary: LookWAYup Translating Dictionary/Thesaurus [home, info]
29. voluntary: Dictionary/thesaurus [home, info]

Art (2 matching dictionaries)

30. VOLUNTARY: Shakespeare Glossary [home, info]
31. Voluntary: Virginia Tech Multimedia Music Dictionary [home, info]

Business (6 matching dictionaries)

32. Voluntary: THE 'LECTRIC LAW LIBRARY'S REFERENCE ROOM [home, info]
33. voluntary: Glossary of Legal Terms [home, info]
34. Voluntary: A DICTIONARY OF LAW (1893) [home, info]
35. VOLUNTARY: Bouvier's Law Dictionary 1856 Edition [home, info]
36. voluntary: Legal dictionary [home, info]
37. voluntary: BusinessDictionary.com [home, info]

Computing (1 matching dictionary)

38. voluntary: Encyclopedia [home, info]

Medicine (4 matching dictionaries)

39. Voluntary: MedTerms.com Medical Dictionary [home, info]
40. voluntary: online medical dictionary [home, info]
41. voluntary: Medical dictionary [home, info]
42. Voluntary: Drug Medical Dictionary [home, info]

Miscellaneous (1 matching dictionary)

43. voluntary: Stanford Encyclopedia of Philosophy [home, info]

Religion (1 matching dictionary)

44. Voluntary: Catholic Encyclopedia [home, info]

Slang (1 matching dictionary)

45. voluntary: Urban Dictionary [home, info]

(Note: See voluntariness for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (voluntary) ▸ noun:  composition (often improvised) for a solo instrument (especially solo organ) and not a regular part of a service or performance ▸ noun:  (military) a person who freely enlists for service ▸ adjective:  of your own free will or design; not forced or compelled ("Man is a voluntary agent") ▸ adjective:  controlled by individual volition ("Voluntary motions") ▸ Also see voluntariness ▸ Word origin ▸ Words similar to voluntary ▸ Usage examples for voluntary ▸ Idioms related to voluntary (New!) ▸ Popular adjectives describing voluntary ▸ Popular nouns described by voluntary ▸ Words that often appear near voluntary ▸ Rhymes of voluntary ▸ Invented words related to voluntary