What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Mutable vs Undefined - What's the difference?

mutable | undefined |

As adjectives the difference between mutable and undefined

is that mutable is changeable; inclined to mutate while undefined is lacking a definition or value.

mutable

English

Adjective

(en adjective)
  • Changeable; inclined to mutate.
  • (programming, of a variable) Having a value that is changeable during program execution.

    • Antonyms

    * immutable

    See also

    * alterable ----

    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