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Insecurity vs Undefined - What's the difference?

insecurity | undefined |

As a noun insecurity

is a lack of security, uncertainty.

As an adjective undefined is

lacking a definition or value.

insecurity

English

Noun

(insecurities)
  • A lack of security, uncertainty
  • The state of being subject to danger; vulnerability

    • Synonyms

    * insecureness

    Antonyms

    * security

    Related terms

    * insecurely * insecure

    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