The word tergiversed means to change one's loyalty or opinion, usually to gain an advantage. Some potential antonyms for tergiversed include words like unbending, resolute, unwavering, dedicated, and steadfast. These words all imply a sense of consistency and unwavering commitment to a particular cause or belief. Other antonyms could include terms like trustworthy, reliable, dependable, predictable, and consistent. All of these words suggest a sense of loyalty, trustworthiness, and dependability that stands in contrast to the idea of tergiversation, which implies a lack of commitment or follow-through. Ultimately, the antonyms for tergiversed all point toward the idea of remaining true to oneself and one's beliefs, even in the face of adversity or temptation.