Grinding halts are a common problem that can cause frustration and delays in any situation. Fortunately, there are many antonyms for the word "grinding halts" that can be used to describe smoother and more efficient progress. Some of these antonyms include smooth sailing, effortless flow, continuous movement, uninterrupted progress, consistent momentum, and easy progress. By using one of these antonyms, you can help convey a sense of progress and forward momentum in your writing or conversation, rather than focusing on the obstacles or delays that may be encountered along the way. With the right choice of words, you can help keep things moving smoothly and avoid the frustration associated with grinding halts.