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Elderly vs Undefined - What's the difference?

elderly | undefined |

As adjectives the difference between elderly and undefined

is that elderly is old; having lived for relatively many years while undefined is lacking a definition or value.

As a noun elderly

is an elderly person.

elderly

English

Adjective

(head)
  • old; having lived for relatively many years

    • Related terms

    * elder * old

    Noun

    (elderlies)
  • an elderly person
  • (the elderly) older people as a whole

    • 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