"Dry" often refers to something that lacks moisture or is devoid of liquid. In a broader context, it can describe content that is uninteresting or dull, such as a lecture or a book that fails to engage the audience. This type of material may be factual but lacks excitement or emotional appeal. In everyday conversation, when someone describes a situation or a piece of writing as "boring," they mean it does not capture their attention or stimulate their interest. This can apply to various forms of media, including movies, presentations, or even conversations that feel monotonous or repetitive.