Stopping dead means coming to an abrupt halt, but there are several antonyms or opposite words for it that refer to movement, speed, and continuity. One of the antonyms for stopping dead is flowing smoothly, which implies a steady and uninterrupted movement without sudden stops or interruptions. Another antonym is accelerating, which suggests an increase in speed or momentum over time. Similarly, the word progressing can also serve as an antonym, referring to continuous or gradual advancement or development without any sudden interruptions. Other antonyms for stopping dead include continuing, moving forward, and advancing, which all emphasize motion and progress towards a goal or destination.