Three quarters were worried that pupils in the other school might be rough or nasty and half of older pupils worried about having to travel to share classes in a different school.

BBC: Northern Ireland

In nature, this would usually be a molecule on the surface of some invading nasty such as a virus or bacterium, but antibodies that will stick to just about anything can be made artificially to order.

ECONOMIST: Medical diagnostics

Of course, you know, what this boil down to was a lot of really nasty sordid stuff, and I think people had to be jarred every once in a while to remember this is about the Mitchell Report.

NPR: Before Congress, Clemens Insists He Is Innocent