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My vs Undefined - What's the difference?

my | undefined |

As a noun my

is midge, blackfly, midget, gnat or my can be mu (greek letter).

As an adjective undefined is

lacking a definition or value.

my

English

(wikipedia my)

Etymology 1

From (etyl) my, apocopated form of min, myn, from (etyl) . More at (l).

Determiner

  • Belonging to me.
    • Don't you know my name?
    I recognised him because he had attended my school.
    Derived terms
    (terms derived using my) * my arse * my ass * my bad * my eye * my fellow Americans * my foot * my God * my goodness * my gosh * my pleasure * my son * my way or the highway * my word
    See also
    (English personal pronouns)

    Etymology 2

    An abbreviation of an oath such as my word'' or ''my lord

    Interjection

    (en interjection)
  • (dated) Used to express surprise, shock or amazement.
    • My , what big teeth you have!
    Derived terms
    * my my

    Statistics

    * 100 English basic words 1000 English basic words English two-letter words ----

    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