Inching along is a phrase used to describe slow and gradual movement. Its antonyms are words that describe the opposite of slow and gradual movement. These words include sprinting, racing, zooming, dashing, hurrying, and hastening. These terms indicate increased speed, urgency, and the act of moving at a faster pace. Another set of antonyms for inching along would be words that suggest complete stillness or non-movement, such as pausing, stopping, halting, standing still or immobilizing. These antonyms provide a useful range of vocabulary options to help convey a particular degree of speed, movement or motion in writing or speech.