The antonym for "attracted attention" could be "ignored" or "unnoticed." If something is ignored, it means that it has not captured the interest or focus of others. Similarly, if something is unnoticed, it means that it has not been observed or paid attention to. Other antonyms could include "unremarkable," "unimpressive," or "insignificant." These words suggest that the subject being described is not notable or attention-grabbing, and may be easily overlooked. Overall, the antonyms for "attracted attention" describe something that is not noteworthy or remarkable in any way.