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We found 20 dictionaries that define the word undefined:

General (17 matching dictionaries)
  1. undefined: Merriam-Webster
  2. undefined: Oxford Learner's Dictionaries
  3. undefined: Collins English Dictionary
  4. undefined: Vocabulary.com
  5. Undefined, undefined: Wordnik
  6. undefined: Wiktionary
  7. undefined: Infoplease Dictionary
  8. undefined: Dictionary.com
  9. undefined: Online Etymology Dictionary
  10. Undefined (mathematics), Undefined: Wikipedia, the Free Encyclopedia
  11. undefined: Rhymezone
  12. undefined: Webster's 1828 Dictionary
  13. undefined: FreeDictionary.org
  14. undefined: Mnemonic Dictionary
  15. undefined: TheFreeDictionary.com

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

Science (1 matching dictionary)
  1. Undefined: Eric Weisstein's World of Mathematics

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

Definitions from Wiktionary (
)
American English Definition British English Definition
adjective:  Lacking a definition or value.
adjective:  (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
noun:  (computing) An undefined value.

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    beige,     taupe,     mauve,     ecru,     puce, more...



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Similar:

Opposite:

Phrases:

Colors:
    beige,     taupe,     mauve,     ecru,     puce, more...



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