nasty

And, if the anecdotes of people I know are anything to go by, the bug going round seems to be a particularly nasty one.

This led to nasty staph infections, with a side of flu, bronchitis and pneumonia.

But these psychic wounds didn’t make Candy a cruel or nasty person; he simply absorbed the hurt and redoubled his efforts to be a genial performer.

While everything you come across for the first time will make you sick, the next time you come across the same virus, the symptoms won't be as nasty.

The hangover from the last election was always going to be nasty after a proper thumping, 14 years in power, and, oh yes, those five prime ministers.