The verb “fill” in the English language is a commonly used term that denotes the action of making a space or container full or of becoming full. It implies adding a substance (such as liquid, gas, solid particles, or even abstract elements like information or emotion) to an object or area until no more can be added or until it reaches its capacity. The term can be used both transitively, where the object being filled is specified, and intransitively, where the focus is on the process of becoming full. The concept of “fill” encompasses a range of applications, from the physical act of pouring water into a glass, to more metaphorical uses like filling time with activities or filling one’s mind with thoughts. As a fundamental aspect of both everyday and specialized language, “fill” plays a crucial role in expressing concepts of completion, satisfaction, and abundance.