بی پروا (صفت)
adventurous, reckless, unscrupulous, heady, headlong, audacious, brave, bold, confident, foolhardy, fearless, dashing, rash, heedless, daredevilish, insouciant, hare-brained, inconsiderate, impetuous, incautious, irregardless, unadvised, slapdash, temerarious
بی باک (صفت)
audacious, brave, bold, intrepid, fearless, dashing, stalwart, brazen, heroic, undaunted, daredevilish, devil-may-care, doughty, venturous, temerarious