"Countless" refers to a quantity that is so large it cannot be easily counted or measured. It is often used to describe a vast number of items, people, or occurrences, suggesting an overwhelming abundance. For example, one might say there are countless stars in the universe, emphasizing the idea that their number is beyond simple enumeration. In everyday language, "countless" can apply to various contexts, such as experiences, opportunities, or choices. When someone mentions countless options, they imply that there are so many possibilities that it would be impractical to list them all. This term conveys a sense of infinity or limitless potential.