Usually means: Not meeting required standards, inappropriate.
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We found 23 dictionaries that define the word unacceptable:

General (21 matching dictionaries)
  1. unacceptable: Merriam-Webster.com
  2. unacceptable: Oxford Learner's Dictionaries
  3. unacceptable: American Heritage Dictionary of the English Language
  4. unacceptable: Collins English Dictionary
  5. unacceptable: Vocabulary.com
  6. Unacceptable, unacceptable: Wordnik
  7. unacceptable: Cambridge Advanced Learner's Dictionary
  8. unacceptable: Wiktionary
  9. unacceptable: Dictionary.com
  10. unacceptable: Online Etymology Dictionary
  11. unacceptable: Cambridge Essential American English Dictionary
  12. Unacceptable: Online Plain Text English Dictionary
  13. unacceptable: Webster's Revised Unabridged, 1913 Edition
  14. unacceptable: Rhymezone
  15. Unacceptable: AllWords.com Multi-Lingual Dictionary
  16. unacceptable: Webster's 1828 Dictionary
  17. unacceptable: Free Dictionary
  18. unacceptable: Mnemonic Dictionary
  19. unacceptable: Dictionary/thesaurus

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

Slang (1 matching dictionary)
  1. unacceptable: Urban Dictionary

(Note: See unacceptability as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
adjective:  Unsatisfactory; not acceptable.
adjective:  (linguistics) Not conforming to accepted usage.
noun:  Something that is not acceptable.

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Colors:
    dark gray,     dull brown,     muddy green,     sickly yellow,     faded orange, more...



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Similar:

Opposite:

Types:

Phrases:

Colors:
    dark gray,     dull brown,     muddy green,     sickly yellow,     faded orange, more...



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