pernicious

We cannot and should not discount the pernicious effects of sexism and racism on this election, especially when those attitudes are often under the surface or largely unconscious, and are certainly not limited to white men.

I think this is pernicious nonsense.

The Mayor of London has written to every primary school in London asking them to help counter the "pernicious influence" of misogynists such as Andrew Tate.

And that’s why Coates’ cartoonish understanding of Israel and the Palestinians is so pernicious.

Housing costs and inflation have had a pernicious effect on Americans’ financial well-being.