temerity
nounExcessive boldness or rashness; foolhardiness or recklessness.
nounExtreme venturesomeness; rashness; recklessness.
nounSynonyms Rashness, Temerity (see
Unreasonable contempt of danger; extreme venturesomeness; rashness.
nounAn act or case of reckless boldness.
nounfearless daring