The phrase "is turned on to" implies an interest in or attraction to something. However, there can be occasions when a person might feel the complete opposite. Some antonyms of "is turned on to" could be "disinterested," "bored," "repulsed," or "unresponsive." These words indicate a lack of enthusiasm or passion for something. For example, a person may feel disinterested in a particular movie or book, or they may find it boring. Similarly, a person might be repulsed by certain foods or an unpleasant odor. Therefore, when someone is not "turned on to" something, they might use one of these antonyms to describe their feelings.