undaunted
adjective
despite the tempest the crews were undaunted:
unafraid, undismayed, unalarmed, unflinching, unshrinking, unabashed, unfaltering, unflagging, fearless, dauntless, intrepid, bold, valiant, brave, stout-hearted, lionhearted, courageous, heroic, gallant, doughty, plucky, game, mettlesome, gritty, steely, indomitable, resolute, determined, confident, audacious, daring, daredevil;
informal gutsy, spunky, ballsy, feisty, cocky.
▷antonyms afraid, fearful.
undaunted Oxford Dictionary of English