Usually means: Not permitted or given approval.
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We found 22 dictionaries that define the word unauthorized:

General (20 matching dictionaries)
  1. unauthorized: Longman Dictionary of Contemporary English
  2. unauthorized: Merriam-Webster
  3. unauthorized: Oxford Learner's Dictionaries
  4. unauthorized: Collins English Dictionary
  5. unauthorized: Vocabulary.com
  6. Unauthorized, unauthorized: Wordnik
  7. unauthorized: Cambridge Advanced Learner's Dictionary
  8. unauthorized: Wiktionary
  9. unauthorized: Dictionary.com
  10. unauthorized: Online Etymology Dictionary
  11. unauthorized: Cambridge Essential American English Dictionary
  12. Unauthorized: Wikipedia, the Free Encyclopedia
  13. unauthorized: Rhymezone
  14. unauthorized: AllWords.com Multi-Lingual Dictionary
  15. unauthorized: Webster's 1828 Dictionary
  16. unauthorized: FreeDictionary.org
  17. unauthorized: Mnemonic Dictionary
  18. unauthorized: TheFreeDictionary.com

Business (1 matching dictionary)
  1. unauthorized: Legal dictionary

Computing (1 matching dictionary)
  1. unauthorized: Encyclopedia

Definitions from Wiktionary (
)
American English Definition British English Definition
adjective:  Not having any authority.
adjective:  Without official authorization.

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Opposite:

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Colors:
    red,     black,     gray,     dark red,     maroon, more...



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