Impractical/ɪmˈpræktɪkl/ Definition 1 of 2Pro Tip 1/3Real-World Use Consider if 'impractical' fits the context of everyday life effectiveness. Building a paper boat is impractical for fishing. Pro Tip 2/3Potential Failure Use 'impractical' when something is likely to fail due to its nature. An electrical device with no battery life is impractical. Pro Tip 3/3Not Just Complex 'Impractical' often implies complexity but focuses on poor fit for purpose. A solar-powered flashlight is impractical in a cave.