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Er vs Undefined - What's the difference?

er | undefined |

As an adjective undefined is

lacking a definition or value.

er

English

Interjection

(en interjection)
  • (UK)

    • Verb

  • (informal) To utter the word "er" when hesitating in speech, found almost exclusively in the phrase um and er .
    • He ummed and erred his way through the presentation.

    See also

    * uh

    Statistics

    *

    Anagrams

    * English two-letter words ----

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined