1. (It depends on th example)a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing."he was at least 175 pounds in weight"synonyms:heaviness, mass, load, burden, pressure, force; More2.a heavy object, especially one being lifted or carried.verb1.hold (something) down by placing a heavy object on top of it."a mug half filled with coffee weighted down a stack of papers"2.attach importance or value to."speaking, reading, and writing should be weighted equally in the assessment"