- audacity, audaciousness, temerity - fearless daring
--1 is a kind of boldness, daring, hardihood
- audacity, audaciousness - aggressive boldness or unmitigated effrontery; "he had the audacity to question my decision"
--2 is a kind of boldness, nerve, brass, face, cheek
--2 has particulars: presumption, presumptuousness, effrontery, assumption