Her friends are worried that she might be 'suicidal'. [=that she might want to kill herself]
He knows that supporting a tax increase would be politically 'suicidal'.
psychiatrists working with 'suicidal' patients
(..) the look she gave me! I thought the flesh was gonna melt off her face. It's not funny. She's not happy unless everyone around her is panicked, nauseous or suicidal. And the Clackers just worship her. - The who? - They call them Clackers. The sound that their stilettos make in the marble lobby. (..)2006 The Devil Wears Prada