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Headpiece vs Undefined - What's the difference?

headpiece | undefined |

As a noun headpiece

is the head; the brain.

As an adjective undefined is

lacking a definition or value.

headpiece

English

Noun

(en noun)
  • The head; the brain.
  • Something covering the head.
  • Protecting cover for the head; a helmet.
  • A headset.
  • A headstall.
  • A decorative page heading.
  • The top piece or part of various things.

    • Synonyms

    * (something covering the head) headgear

    References

    * OED2 * The Macquarie Dictionary

    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