Outre vs Pernicious - What's the difference?

As adjectives the difference between outre and pernicious

is that outre is very unconventional while pernicious is causing much harm in a subtle way.

(head)

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(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.

* (l)

* perniciousness * perniciously