1The plot twist in the movie was insane – I did not see it coming at all.
2Is it insane to think that we can solve climate change in the next decade, or is that a realistic goal?
3The prices of luxury apartments in the city are insane – who can afford to live there?
4The new roller coaster at the theme park is insane – it has the steepest drop in the world.
5Her insane work ethic and attention to detail have earned her a promotion to senior manager.