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Thunderbird vs Undefined - What's the difference?

thunderbird | undefined |

As a noun thunderbird

is (thunderbird).

As an adjective undefined is

lacking a definition or value.

thunderbird

English

(wikipedia thunderbird)

Noun

(en noun)
  • (mythology) A mythological bird, often associated with stormy weather, especially in various indigenous North American mythologies.
  • * 1999 , Andrew George, translating Gilgamesh , VII:
    • A man there was, grim his expression, just like a Thunderbird his features were frightening.
  • An Australian insectivorous songbird (), whose male is conspicuously marked with black and yellow, and has a black crescent on the breast.

    • 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