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Pernicious vs Undefined - What's the difference?

pernicious | undefined |

As adjectives the difference between pernicious and undefined

is that pernicious is causing much harm in a subtle way while undefined is lacking a definition or value.

pernicious

English

Adjective

(en adjective)
  • Causing much harm in a subtle way.
  • * 1911 , ,
    • Puritanism no longer employs the thumbscrew and lash; but it still has a most pernicious hold on the minds and feelings of the American people.
  • Causing death or injury; deadly.

    • Synonyms

    * (l)

    Related terms

    * pernicious anaemia

    Derived terms

    * perniciousness * perniciously

    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