The antonyms for the word "more wriggling" are "less movement," "stillness," and "calmness." While wriggling implies a lively, fidgety movement, antonyms suggest a lack of movement or a tranquil state. Introducing actions opposite to wriggling like "sitting still," "staying put," or "being motionless, " implies resting, relaxing, or being settled. "Less wriggling" may suggest a lower degree of restlessness and unease. Synonyms like "relaxed," "at ease," or "serenity" encompass the idea of calmness and stability. In brief, the opposite of "more wriggling" refers to being in a composed state and not moving around impulsively.