niepoczytalny Englisch:

Doctors certified him as insane.

Are you insane?

That is insane. Only a fool would believe that.

For the last ten years of his life he was clinically insane

To cite usage against rule, in a constructed language, is insane.

He went insane from the unhappy accident.

That's insane! Your mom speaks six languages?

It would be insane not to take advantageof this opportunity.

Seriously, you sound like an insane person.

i will look insane!!!

an insane decision

insane salary = szalona pensja

He jogs three hours a day! This is insane!

insane idea doesn’t always means bad idea