The word "more dithering" implies indecisiveness or hesitation. Its antonyms would therefore be words that denote clarity, certainty, and decisiveness. Some examples of antonyms for "more dithering" include unhesitating, resolute, determined, decisive, firm, unwavering, confident, and assertive. These words indicate a strong sense of purpose and a willingness to take action without second-guessing oneself. By using antonyms of "more dithering" in speech or writing, one can convey a sense of conviction and self-assuredness that can have a positive impact on others.