The word unguarded means without protection or defense. It describes a situation where there is no caution, care, or vigilance taken to prevent harm or danger. This term can be used in various contexts such as physical safety, emotional well-being, and intellectual security. For example, leaving your valuables unguarded means they are not protected from theft or damage; being unguarded emotionally could mean you are vulnerable to hurt or disappointment; and having an unguarded internet connection leaves you open to cyber attacks. In summary, "unguarded" refers to a lack of care or precaution that exposes one to potential harm or danger.