undefined

== English == === Etymology === From un- +‎ defined. === Pronunciation === === Adjective === undefined (not comparable) Lacking a definition or value. (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation. ==== Synonyms ==== (lacking a definition or value): indefinite, undefinable; see also Thesaurus:indistinct or Thesaurus:vague ==== Antonyms ==== defined ==== Derived terms ==== undefined behavior ==== Translations ==== === Noun === undefined (plural undefineds) (computing) An undefined value.