The phrase "turned one head" typically evokes an image of someone or something that is irresistibly attractive or captivating. However, there are a number of antonyms, or opposite words, that can be used to convey the opposite of this sense of allure. Some examples of antonyms for "turned one head" might include "ignored," "repulsed," "bored," or "insignificant." Depending on the context in which the phrase is used, other antonyms might be more appropriate, such as "mundane," "unremarkable," "ordinary," or "unsurprising." In general, the antonyms for "turned one head" all suggest a lack of interest, attention, or fascination.