Temerity

имя существительное; литературно-книжное безрассудство, опрометчивость; безрассудная смелость Например: He had the temerity to file a grievance. — У него хватило смелости написать жалобу.

Большой англо-русский словарь

Temerity

noun (plural -ties) Etymology: Middle English temeryte, from Latin temeritas, from temere blindly, recklessly; akin to Old High German demar darkness, Latin tenebrae, Sanskrit tamas 1. unreasonable or foolhardy contempt of danger or opposition ; rashness, recklessness 2. an act or instance of temerity Synonyms: temerity, audacity, hardihood, effrontery, nerve, cheek, gall, chutzpah mean conspicuous or flagrant boldness. temerity suggests boldness arising from rashness and contempt of danger
Example: had the temerity to refuse. audacity implies a disregard of restraints commonly imposed by convention or prudence
Example: an entrepreneur with audacity and vision. hardihood suggests firmness in daring and defiance
Example: admired for her hardihood. effrontery implies shameless, insolent disregard of propriety or courtesy
Example: outraged at his effrontery. nerve, cheek, gall and chutzpah are informal equivalents for effrontery
Example: the nerve of that guy
Example: has the cheek to call herself a singer
Example: had the gall to demand proof
Example: the chutzpah needed for a career in show business.

Энциклопедический словарь Мерриама-Вебстера