Effrontery is defined as disrespectful boldness.(noun)
An example of effrontery is loudly demanding a table at a very full fancy restaurant.
See effrontery in Webster's New World College Dictionary
Origin: Fr effronterie < effronté, shameless, bold < L effrons, barefaced, shameless < ex-, from + frons, forehead: see front
See effrontery in American Heritage Dictionary 4
noun pl. ef·front·er·ies
Origin: French effronterie
Origin: , from effronté, shameless
Origin: , from Old French esfronte
Origin: , from Vulgar Latin *effrontātus
Origin: , alteration of Late Latin effrōns, effront-
Origin: : ex-, ex-
Origin: + frōns, front-, front, forehead.
Learn more about effrontery