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Williams vs Undefined - What's the difference?

williams | undefined |

As a proper noun williams

is an english and welsh patronymic surname derived from the given name william.

As an adjective undefined is

lacking a definition or value.

williams

English

Proper noun

(en proper noun)
  • An English and Welsh patronymic surname derived from the given name William.

    • 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