Fly right is a common phrase used to describe someone who behaves properly or adheres to rules and regulations. Synonyms for fly right include straighten up, shape up, behave, follow the rules, and toe the line. Other similar phrases also include walk the straight and narrow, keep your nose clean, and play by the book. These words and phrases imply a sense of responsibility and accountability, suggesting that there are consequences for actions. Whether in a personal or professional setting, it's critical to fly right and conduct oneself with dignity, respect, and trustworthiness. These synonymous phrases indicate a positive attitude towards obeying the law and behaving ethically.