bodacious /boʊˈdeɪʃəs/adjective 4adverb 1forms 2 adjective4 •(US) Audacious and unrestrained.If you’re going to lie, you might as well tell a bodacious lie. •(US, slang) Impressively great in size, and enormous; extraordinary.You can find the most bodacious barbecue and a library designed by noted postmodernist architect Michael Graves. — 2008 •(slang) Sexy, attractive.Bill Ward has always been known for drawing the biggest, bustiest, most bodacious babes to strut across a comic book or cartoon panel. — 2004 •(US) Incorrigible and insolent.You, sir, are a bodacious scoundrel. adverb1 •(US, nonstandard) Bodaciously. formsmore bodacious · most bodacious