The term 'move swiftly' can be expressed in a variety of ways, from four-letter words such as SCUD, FLIT, and DASH to nine-letter words such as STEPALONG and HOPALONG. Other words that can be used to describe the action of moving quickly include FLY, HIE, RIP, RUN, JET, ZIP, DUST, RUSH, SKIM, TEAR, DART, FLEE, RACE, HURRY, SHOOT, WHIRL, WHISK, SCOOT, BARREL, BUSTLE, HASTEN, HUSTLE, SCURRY, SPRINT, COURSE, STREAK, HOTFOOT, SCUTTER, SCUTTLE, SCAMPER, GETGOING, and HOPALONG. All of these words indicate a sense of urgency and speed, and can be used to describe the act of moving swiftly.