What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Metro vs Undefined - What's the difference?

metro | undefined |

As a noun metro

is .

As an adjective undefined is

lacking a definition or value.

metro

English

Etymology 1

(etyl) .

Noun

(en noun)
  • An underground railway.
  • A train that runs on such an underground railway.
  • An urban rapid transit light railway
  • A train that runs on such a railway.
    • Synonyms
    * (underground railway) el/El (US), subway (US), Tube (the London underground), underground (UK), underground railway (UK)

    Etymology 2

    Noun

    (en noun)
  • A metropolitan area.

    • Adjective

    (en adjective)
  • Metropolitan.
    • ----

    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