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Aircraft vs Undefined - What's the difference?

aircraft | undefined |

As a noun aircraft

is a vehicle capable of atmospheric flight due to interaction with the air, such as buoyancy or lift.

As an adjective undefined is

lacking a definition or value.

aircraft

English

(wikipedia aircraft)

Noun

(aircraft)
  • A vehicle capable of atmospheric flight due to interaction with the air, such as buoyancy or lift.

    • Usage notes

    * The nonstandard plural form is in use among non-native speakers of English.

    Hyponyms

    * See also

    Derived terms

    * aircraft carrier * model aircraft * rocket aircraft

    Related terms

    * spacecraft * watercraft

    See also

    * aeroplane (UK), airplane (US) English invariant nouns English words suffixed with -craft

    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