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Roo vs Undefined - What's the difference?

roo | undefined |

As a noun roo

is peace; quietness or roo can be short form of kangaroo .

As an adjective undefined is

lacking a definition or value.

roo

English

Etymology 1

From (etyl) roo, ro, from (etyl) .

Noun

(-)
  • Peace; quietness.
  • Rest; stillness.
    • Derived terms
    * (l) * (l)

    Etymology 2

    From (kangaroo).

    Noun

    (en noun)
  • Short form of kangaroo .
    • Derived terms
    * roo bar

    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