Derringdo is a term used to describe bravery and daring actions. However, there are also antonyms to this word, which describe behaviors that are the opposite of derringdo. These antonyms include cowardice, timidity, passivity, and caution. Cowardice describes a lack of courage or bravery, as well as a tendency to avoid or flee from danger. Timidity, on the other hand, refers to a lack of confidence, boldness, or assertiveness. Passivity is also an antonym for derringdo, referring to a tendency to wait for others to act and avoiding taking any risks. Caution is another antonym, describing an attitude of carefulness and avoidance of danger or risk-taking.