"Massive" refers to something that is very large or heavy in size, volume, or weight. It can describe physical objects, such as a mountain or a building, as well as abstract concepts, like a massive impact on society. The term often conveys a sense of enormity that is beyond the ordinary. In various contexts, "massive" can also indicate significance or intensity. For example, a massive success in business means achieving outstanding results. In science, a massive star is one that has a much greater mass than the sun, influencing its lifecycle and the formation of galaxies.