The antonyms for the phrase "stops briefly" include words such as "continues", "proceeds", "maintains", "perseveres", "carries on", and "endures". Each of these words suggests an ongoing, uninterrupted state of motion or action, rather than a temporary pause or break. For example, if someone is told to "continue" rather than "stop briefly", they will understand that they should keep doing whatever they were doing without interruption. Similarly, if someone is encouraged to "persevere" instead of "stopping briefly", they will likely understand that they should persist despite obstacles or challenges. Ultimately, the antonyms for "stops briefly" emphasize the importance of momentum, progress, and persistence in achieving one's goals.