A bootless errand refers to a futile or pointless task. Other synonyms for bootless errand include a hopeless task, a fruitless quest, a senseless pursuit, a useless endeavor, a wasted effort, a vain endeavor, and a worthless mission. It can also be called a fool's errand, a wild goose chase, or a Sisyphean task. These phrases all describe actions that have no chance of success, but are attempted anyway. Doing something that is bootless causes frustration and disappointment, and it is often better to recognize when a task is unachievable and move on to more fruitful activities.