Antonyms for "more dawdling" would include words such as "swift," "prompt," "active," "efficient," and "industrious." These words all convey a sense of speed and productivity, in contrast to the idea of dawdling or wasting time. Other antonyms might include "urgency," "haste," and "immediacy," which all emphasize the need for quick action without delay. Ultimately, the choice of antonym will depend on the context and the desired tone of the sentence or message. By using antonyms to highlight the opposite of dawdling, writers and speakers can encourage others to be more productive and focused in their actions.