Otherwise means “in a different way” or “in other respects.” When your teacher says “Answer question three, otherwise you'll lose points,” she means that if you don't answer it, you'll face that consequence. When someone says “I thought the movie was too long, but otherwise I enjoyed it,” they're saying that except for the length, everything else was good.

The word helps you talk about what would happen differently or what's true in other ways. If you study hard, you'll pass the test; otherwise, you might struggle. Here, otherwise points to the alternative: what happens if you don't study.

You can also use it to mean “differently”: “I could not have done it otherwise” means there was no other way to do it. When someone describes a situation as “otherwise normal,” they mean it's normal in every other way except for one specific thing they're discussing.

Otherwise is a useful connector word that lets you show contrasts, alternatives, or exceptions without having to restate everything you've already said.