When there's a task that needs to be done quickly, often a sense of urgency takes over. Instead of repeating "do quickly" over and over again, here are some synonyms to keep in mind: rush, hasten, expedite, dash, hustle, zip, dart, zoom, race, flick, whisk, zip through, seize the moment, make haste, and hurry up. Each of these synonyms can help to add some variety to your vocabulary while still communicating your need for speed and efficiency. Whether you're at work, at home, or simply trying to get things done, having a variety of synonyms for "do quickly" can come in handy and make your language more interesting.