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We found 42 dictionaries with English definitions that include the word retroactive:
Click on the first link on a line below to go directly to a page where "retroactive" is defined.

General (29 matching dictionaries)

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

Business (10 matching dictionaries)

28. Retroactive: MoneyGlossary.com [home, info]
29. retroactive: Webster's New World Law Dictionary [home, info]
30. retroactive: Law.com Dictionary [home, info]
31. retroactive: Everybody's Legal Dictionary [home, info]
32. retroactive: Travel Industry Dictionary [home, info]
33. retroactive: INVESTORWORDS [home, info]
34. RETROACTIVE: Accounting Glossary [home, info]
35. retroactive: Glossary of Legal Terms [home, info]
36. Retroactive (disambiguation), retroactive: Legal dictionary [home, info]
37. retroactive: BusinessDictionary.com [home, info]

Computing (1 matching dictionary)

38. retroactive: Encyclopedia [home, info]

Medicine (1 matching dictionary)

39. retroactive: Medical dictionary [home, info]

Slang (1 matching dictionary)

40. retroactive: Urban Dictionary [home, info]

(Note: See retroactivity for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (retroactive) ▸ adjective:  descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously ▸ adjective:  affecting things past ("Retroactive tax increase") ▸ Also see retroactivity ▸ Word origin ▸ Words similar to retroactive ▸ Usage examples for retroactive ▸ Popular nouns described by retroactive ▸ Words that often appear near retroactive ▸ Rhymes of retroactive ▸ Invented words related to retroactive