Antonyms for the phrase "be victorious over" would include "lose to," "fall behind," and "be defeated by." These phrases evoke a sense of defeat or failure, contrasting sharply with the idea of winning or succeeding that "be victorious over " implies. Other antonyms might include "surrender to," "submit to," or "yield to," all of which suggest a lack of agency or control. Where "be victorious over" exudes confidence and strength, these antonyms suggest submission and powerlessness. While achieving victory can be satisfying, understanding and accepting defeat is equally important to personal growth and development.