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Pernicious vs Obnoxious - What's the difference?

pernicious | obnoxious |

As adjectives the difference between pernicious and obnoxious

is that pernicious is causing much harm in a subtle way while obnoxious is extremely unpleasant, offensive, very annoying, odious or contemptible.

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

    *

    obnoxious

    English

    Alternative forms

    * obnoctious (obsolete)

    Adjective

    (en adjective)
  • Extremely unpleasant, offensive, very annoying, odious or contemptible.
    • He was an especially obnoxious and detestable specimen of a man.
    Throwing stones at the bus is another example of your obnoxious behaviour.
  • (archaic) exposed to harm or injury.
  • * 1661 , , page 26,
    • To begin then with his Experiment of the burning Wood, it seems to me to be obnoxious to not a few considerable Exceptions.