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Footbed vs Undefined - What's the difference?

footbed | undefined |

As a noun footbed

is a removable insole for a shoe.

As an adjective undefined is

lacking a definition or value.

footbed

English

Noun

(en noun)
  • A removable insole for a shoe
  • 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