der·ring–do 
/ˌderɪŋˈdu:/ noun
/ˌderɪŋˈdu:/ noun [noncount] old-fashioned + humorous : brave acts : behavior that requires courage
▪ She is known for her spectacular feats of derring-do. [=bravery] ◊Derring-do suggests the brave acts of characters in movies and stories about adventure.
▪ She is known for her spectacular feats of derring-do. [=bravery] ◊Derring-do suggests the brave acts of characters in movies and stories about adventure.
