The term "united marriage" is a beautiful phrase that emphasizes the strength and bond between two individuals. However, there are many synonyms for the phrase that can also capture the essence of a strong and loving partnership. For instance, "together marriage" is a simple yet effective synonym that emphasizes the sense of unity between two individuals. "Connected marriage" is another synonym that conveys the idea of two people who have a deep and meaningful emotional connection. "Intertwined marriage" is yet another synonym that suggests a relationship that is so closely knit that it cannot be easily separated. Ultimately, these synonyms all convey the same deep sense of love and commitment that underpin a strong and enduring partnership.