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Robin vs Undefined - What's the difference?

robin | undefined |

As a proper noun robin

is .

As a noun robin

is (soccer) someone connected with any number of sports teams known as the , as a fan, player, coach, etc.

As an adjective undefined is

lacking a definition or value.

robin

English

(wikipedia robin)

Noun

(en noun)
  • Various passerine birds (about 100 species) of the families Muscicapidae, Turdidae and Petroicidae (formerly ), typically with a red breast.
  • # A European robin; ''Erithacus rubecula.
  • #*{{quote-book, year=1922, author=(Michael Arlen), title= “Piracy”: A Romantic Chronicle of These Days, chapter=Ep./4/2
  • , passage=As they turned into Hertford Street they startled a robin from the poet's head on a barren fountain, and he fled away with a cameo note.}}
  • # An American robin; Turdus migratorius .
  • Usage notes

    The American robin is quite different from the European one: English settlers in America so named a red-breasted bird much larger than the European robin.

    Synonyms

    * (all senses) redbreast, robin redbreast * (the European robin)

    Derived terms

    * robin redbreast * round-robin

    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