If we look at the worst meaning: it is a word used to define something bad or ill to an extreme degree. It is basically a superlative adjective which can compare multiple objects with one another. As a superlative adjective, worst defines the lowest quality and standard. For example: “this is the worst event I have ever gone to.” Worst can also be used as a noun to describe the most unpleasant thing or situation that ever happened. For example,” what’s the worst that could happen after that”?

Difference 101