The word "most rectified" implies that something has been corrected or improved to the highest degree possible. Antonyms for this phrase, therefore, would be words that suggest the opposite, such as "wrong," "incorrect," "faulty," "flawed," or "tainted." These words are often used in contexts where something did not go as planned or was not corrected properly. For instance, a mistake that went unnoticed could result in a faulty product, or an employee who did not understand instructions could perform a task incorrectly. Whatever the situation, it is important to recognize the opposite of "most rectified" in order to avoid making mistakes and achieving better results.