The opposite of "defies danger" would be to "succumb to fear" or "yield to danger". Instead of facing challenges head on, one who succumbs to fear may avoid risks altogether. Other antonyms for "defies danger" include "avoids risk", "falls prey to danger", or "shies away from danger". It is important to note that while the opposite of "defies danger" may seem negative, taking precautions and being aware of potential dangers can also be a wise and practical approach. Courage does not always mean recklessness, and it is important to weigh the potential risks and benefits before making decisions.