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Hey vs Undefined - What's the difference?

hey | undefined |

As an interjection hey

is an exclamation to get attention.

As a noun hey

is (country dancing) a choreographic figure in which the dancers weave between one another.

As an adjective undefined is

lacking a definition or value.

hey

English

Alternative forms

* (l) * (l)

Interjection

(en interjection)
  • An exclamation to get attention.
    • Hey , look at this!
  • A protest or reprimand.
    • Hey ! Stop that!
  • An expression of surprise.
    • Hey ! This is new!
  • (US, Australia, UK, Canada) An informal greeting, similar to hi.
    • Hey ! How's it going?
  • A request for repetition or explanation; an expression of confusion (see also eh, huh).
    • Hey ? How's that?
  • A meaningless beat marker or extra, filler syllable in song lyrics.
    • The chorus is "nana na na, nana na na hey hey hey, goodbye".

    Related terms

    * heyday * what the hey * hey up

    See also

    * huh * hay is for horses * (wikipedia "hey")

    Noun

    (en noun)
  • (country dancing) A choreographic figure in which the dancers weave between one another.

    • Anagrams

    * ----

    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