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Delude vs Undefined - What's the difference?

delude | undefined |

As a verb delude

is to deceive into believing something which is false; to lead into error; to dupe.

As an adjective undefined is

lacking a definition or value.

delude

English

Verb

(delud)
  • To deceive into believing something which is false; to lead into error; to dupe.
  • * {{quote-news
    • , year=2012 , date=August 5 , author=Nathan Rabin , title=TV: Review: THE SIMPSONS (CLASSIC): “I Love Lisa” (season 4, episode 15; originally aired 02/11/1993) citation , page= , passage=Ralph Wiggum is generally employed as a bottomless fount of glorious non sequiturs, but in “I Love Lisa” he stands in for every oblivious chump who ever deluded himself into thinking that with persistence, determination, and a pure heart he can win the girl of his dreams. }}
  • * Burke
    • To delude the nation by an airy phantom.
  • (obsolete) To frustrate or disappoint.
  • * Dryden
    • It deludes thy search.

    Synonyms

    * (to deceive) deceive, mislead

    Anagrams

    * * ----

    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