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Improvisation vs Undefined - What's the difference?

improvisation | undefined |

As a noun improvisation

is improvisation.

As an adjective undefined is

lacking a definition or value.

improvisation

English

(wikipedia improvisation)

Noun

(en noun)
  • The act or art of composing and rendering music, poetry, and the like, extemporaneously; as, improvisation on the organ.
  • That which is improvised; an impromptu.
  • Musical technique, characteristic of blues music.
  • The act of improvising, acting or going about something without planning ahead
  • * {{quote-news
    • , year=2012 , date=September 15 , author=Amy Lawrence , title=Arsenal's Gervinho enjoys the joy of six against lowly Southampton , work=the Guardian citation , page= , passage=The Ivorian is a player with such a liking for improvisation it does not usually look like he has any more idea than anyone else what he is going to do next, so it was an interesting choice.}}

    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