synonyms, antonyms, definitions, examples & translations of undefined in English

English Online Dictionary. What means undefined‎? What does undefined mean?

un- +‎ defined

undefined (not comparable)

  1. Lacking a definition or value.
  2. (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
  • (lacking a definition or value): indefinite, undefinable; see also Thesaurus:indistinct or Thesaurus:vague
  • defined
  • undefined behavior

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