What is a polite way to say "mentally ill?"
I know 미치다/미친, but I didn't know if it was rude to call someone 미친사람. Is there a more sensitive way to call someone with mental illness?

Question

What is a polite way to say "mentally ill?"
I know 미치다/미친, but I didn't know if it was rude to call someone 미친사람.  Is there a more sensitive way to call someone with mental illness?

Answer

mental illness means "정신질환"
someone with mental illness means "정신질환자 or 정신이상자"