Temerity
noun
Definition
Foolish boldness; recklessness; rashness
Synonyms
imprudence, thoughtlessness, boldness
Antonyms
thoughtful, hesitancy, timidity
Example Sentence #1
Fred and George Weasley had enough temerity to set off Wildfire Whiz-Bangs right in front of Professor Umbridge, and then proceed to fly away on broomsticks.
Example Sentence #2
In an act of temerity, the kids snuck out to go get ice cream without their mom knowing.
Detention Center Shootout - A New Hope [1080p HD]
2:28-2:58