Definition
Invisibility refers to the state of being unable to be seen. It means that something is not perceptible to the eye, often due to being transparent, camouflaged, or possessing some form of cloaking. Think of Harry Potter's invisibility cloak – it renders him unseen. It's not just about being difficult to see, but about being completely undetectable by sight. Unlike something visible, invisibility denotes a lack of visual presence.