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Unpredictable vs Undefined - What's the difference?

unpredictable | undefined |

As adjectives the difference between unpredictable and undefined

is that unpredictable is unable to be predicted while undefined is lacking a definition or value.

As a noun unpredictable

is an unpredictable thing.

unpredictable

English

Adjective

(en adjective)
  • Unable to be predicted.

    • Derived terms

    * unpredictability * unpredictableness * unpredictably * unpredicted

    Noun

    (en noun)
  • An unpredictable thing.

    • 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