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Roger vs Undefined - What's the difference?

roger | undefined |

As a proper noun roger

is .

As an adjective undefined is

lacking a definition or value.

roger

English

Etymology 1

From (Roger), used circa 1940 in UK and US military communication to represent "R" when spelling out a word. "R" is the first letter in (received), used to acknowledge understanding a message.

Interjection

(en interjection)
  • (radio telecommunications) Received (used in radio communications to acknowledge that a message has been received and understood)
    • Roger , sir.
    Synonyms
    * roger that
    See also
    * ack * over * over and out * wilco

    Etymology 2

    Possibly from Old German Hrotger via (etyl) roger.

    Verb

    (en verb)
  • Of a man, to have sexual intercourse with (someone), especially in a rough manner.
  • To have sexual intercourse.
    • Synonyms
    * See also
    Derived terms
    * rogering

    Anagrams

    * English intransitive verbs English transitive verbs ----

    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