BABYLON ENGLISH-SPANISH
audacious adj.
audaz, arrojado, atrevido, aventurero, bravo, osado, temerario; descarado
AN ENGLISH-SPANISH DICTIONARY (GRANADA UNIVERSITY, SPAIN), 14.4
audacious
(adj.) = audaz, osado, atrevido, temerario, arrojado.
Ex: One of Belgium's most dangerous criminals, who staged an audacious jailbreak on a hijacked helicopter, has been tracked down to Morocco.