Invert/ɪnˈvɜːrt/ Definition 1 of 4Pro Tip 1/2Visual Change Use 'invert' to express a visual reversal, making what's typically at the top go to the bottom. When you tip over the hourglass, you invert the sands. Pro Tip 2/2Sequence Reversal To 'invert' can mean reversing the order of steps or items in a process or list. She decided to invert the checklist to prioritize the last items.