Another word for temerity
audacity, effrontery, boldness, hardihood, rashness, presumption, overconfidence, gall, nerve, cheek, recklessness, venturesomeness, precipitancy, precipitation, hastiness, heedlessness, foolhardiness, thoughtlessness, carelessness, indiscretion, imprudence, impetuosity; see also rudeness.
temerity refers to a rashness or foolish boldness that results from underrating the dangers or failing to evaluate the consequences he had the temerity to criticize his employer; audacity suggests either great presumption or defiance of social conventions, morals, etc. shocked at the audacity of his proposal; effrontery, always derogatory in usage, connotes shamelessness or insolence in defying the rules of propriety, courtesy, etc. his effrontery in addressing the teacher by her first name; nerve, cheek, and gall are colloquial equivalents of effrontery, but nerve and cheek usually suggest mere impudence or sauciness and gall, unmitigated insolence