The phrase "beats brains" refers to someone who is able to outsmart or outmaneuver others without necessarily having to use intelligence or knowledge. Some antonyms for this phrase could be "outwitted," "outsmarted," "outmaneuvered," or "outthought." These terms imply that the person in question has been taken advantage of or defeated by someone who possesses superior intelligence or knowledge. Other antonyms for "beats brains" might include "outperformed," "outmatched," or "outdone," which suggest that the individual in question has failed to achieve a particular goal or level of performance, despite their supposed intellectual superiority. Ultimately, antonyms for "beats brains" emphasize the importance of strategy, skill, and knowledge in achieving success.