adjective

 

less good more unpleasant or difficult than something else that is also bad

The exam was worse than I expected.

 

more ill more ill

The drugs aren't working, he just seems to be getting worse.

 

noun

 

something that is more unpleasant or difficult

It was a nasty accident, although I've seen worse.

 

adverb

 

less well

He was treated much worse than I was.