The phrase "coming to a halt" refers to an action or movement that stops abruptly, without any further progression. Its antonyms or opposite expressions are "continuing," "progressing," "moving forward," "advancing," "proceeding," "persisting," and "remaining ongoing." These words signify the continuous flow of events or progress, without any impediments or obstacles that may cause a sudden stoppage. For instance, when a business is progressing, it means it is expanding or flourishing, without any setbacks or hindrances. When we say that something is advancing, it signifies steady growth or development, which is essential for success. Therefore, the antonyms of "coming to a halt" denote the desired state of progress, growth, and advancement.