Weightiness/ˈweɪtinəs/ Definition 1 of 3Pro Tip 1/2Physical Objects Use 'weightiness' to describe solid, tangible items rather than ideas or feelings. The weightiness of the textbook made carrying the backpack tiring. Pro Tip 2/2Challenging Movement Emphasize the difficulty of moving something because of its weight. The movers felt the weightiness of the piano as they maneuvered it up the stairs.