: a mistake (such as a misspelled word) in typed or printed text The book contains a number of typographical errors.

Which type of error is typographical error?

Typographical errors are very commonly called typos for short. The term typically refers to an unintentional error that happens when you accidentally hit the wrong key on a keyboard—the kind of mistake that autocorrect is supposed to catch and automatically fix when you're typing a document or texting.

How do you find typographical errors?