From Longman Dictionary of Contemporary Englishintrepidin‧trep‧id /ɪnˈtrepɪd/ adjective BRAVEwilling to do dangerous things or go to dangerous places – often used humorously SYN brave intrepid explorers► see thesaurus at brave
Examples from the Corpus
intrepid• Intrepid pioneers came to California by wagon train.Origin intrepid (1600-1700) Latin intrepidus, from trepidus “frightened and worried” 