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Undercurrent vs Undefined - What's the difference?

undercurrent | undefined |

As a noun undercurrent

is a current which flows under the surface.

As an adjective undefined is

lacking a definition or value.

undercurrent

English

Noun

(en noun)
  • a current which flows under the surface
    • (Totten)
  • (figuratively) A tendency of feeling or opinion that is concealed rather than exposed.
  • * George Eliot
    • All the while there was a busy undercurrent in her.
  • :The meeting was pervaded with an undercurrent of dread, as the managers tried not to admit firings were looming.
  • *{{quote-news
    • , year=2012 , date=May 9 , author=Jonathan Wilson , title=Europa League: Radamel Falcao's Atlético Madrid rout Athletic Bilbao , work=the Guardian citation , page= , passage=Although the crowd was predominantly red-and-white, there was also a Romanian flavour, which these days in football terms tends to mean there is at least an undercurrent of discontent. }}

    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