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Speedometer vs Undefined - What's the difference?

speedometer | undefined |

As a noun speedometer

is a device that measures, and indicates the current speed of a vehicle.

As an adjective undefined is

lacking a definition or value.

speedometer

English

Alternative forms

* speedometre (nonstandard)

Noun

(wikipedia speedometer) (en noun)
  • A device that measures, and indicates the current speed of a vehicle.
  • Such a device incorporating an odometer.

    • Synonyms

    * (device that measures speed) tachometer

    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