When someone is "running circles" around another person, it means that they are outdoing, outperforming, or outmaneuvering them in some way. There are many synonyms for this phrase, including "outwitting," "outshining," "outclassing," and "outmatching." Other similar phrases include "outsmarting," "outplaying," "outpacing," and "outdistancing." These words all imply a sense of superiority or dominance in a given situation. Someone who is "running circles" around others might also be described as "triumphant," "victorious," or "unbeatable." Overall, these synonyms capture the idea of someone who is consistently achieving more, achieving faster, or achieving with greater ease than those around them.