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Deprecated vs Undefined - What's the difference?

deprecated | undefined |

As adjectives the difference between deprecated and undefined

is that deprecated is strongly disapproved of while undefined is lacking a definition or value.

As a verb deprecated

is (deprecate).

deprecated

English

Verb

(head)
  • (deprecate)

    • Adjective

    (en adjective)
  • Strongly disapproved of.
  • *
  • Belittled; insulted
  • (computing) Obsolescent]]; said of a construct in a computing language considered old, and planned to be [[phase out, phased out, but still available for use.
  • * 2002 , Steven E. Callihan, Cascading Style Sheets (CSS) by Example
    • Just because an element or attribute is deprecated doesn't mean that it can't be used on a webpage.
  • * 1999 . Raggett, Dave, et. al. HTML 4.01 Specification , Conformance: requirements and recommendations. W3C
    • A deprecated element or attribute is one that has been outdated by newer constructs.
    Note that deprecated functions are not removed.

    Related terms

    * deprecation

    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