temerity

1. (uncountable) Reckless boldness; foolish bravery.Examples: "1569, Thomas Pearson, trans., "The Second Paradox," in The booke of Marcus Tullius Cicero entituled Paradoxa Stoicorum, T. Marshe (London), Neyther the spightfull temerity and rashnes of variable fortune, nor the envious hart burning and in iurious hatred of mine enemies shold be able once to damnify me."; "Jewan Sadit, who ſtood before the prince, obſerving his youthful temerity, threw himſelf between him and danger, and with a nervous arm, wielding a ſharp ſabre, of the hard tempered ſteel of Damiſk, ruſhing upon the tyger, he ſtruck him acroſs the forehead."; "One day when he knew old Lobbs was out, Nathaniel Pipkin had the temerity to kiss his hand to Maria Lobbs."Synonyms: audacity, foolhardiness, rashness, recklessness

2. (countable) An act or case of reckless boldness.Examples: "Draper, dear lad, had the illusion of an "intellectual sympathy" between them.... Draper's temerities would always be of that kind."

3. (uncountable) Effrontery; impudence.Examples: "He had very nearly been guilty of the temerity of arrogating to himself another title in the presence of those he most respected."; "That's jejune? You have the temerity to say that I'm talking to you out of jejunosity? I am one of the most june people in all of the Russias!"Synonyms: brashness, cheek, gall, chutzpah