Antonyms for the phrase "is turned on by" may include "disgusted by," "repulsed by," "turned off by," "revolted by," "disinterested in," and "apathetic towards." These antonyms suggest a lack of attraction or interest in the supposed stimulus. While "turned on by" may connote excitement or arousal, these antonyms imply the opposite emotional response. In some contexts, these opposites may be applicable, such as in discussions of phobias or aversions. It is important, however, to note that attraction and repulsion are complex emotions that may manifest differently for individuals and situations.