The word "turns back on" is commonly used to describe someone who has abandoned, betrayed, or deceived someone else. Antonyms for this phrase include words such as "loyal," "dependable," "devoted," "trustworthy," and "committed." These words describe individuals who remain true to their word, stand by their friends and loved ones, and do not abandon their commitments. A person who is loyal, for example, would never turn back on a friend in need, while someone who is dependable can be counted on to always follow through on their promises. These antonyms reflect the opposite of turning back on someone and highlight the importance of dependable relationships and unwavering trust.