a.
1.
Fearless, dauntless, daring, valiant, valorous, doughty, undaunted, hardy, intrepid, courageous, brave, heroic, audacious, adventurous, gallant, spirited, mettlesome, manful, manly, stout-hearted, ~-spirited.
2.
Confident, assured, self-reliant, self-possessed, self-poised, free from bashfulness.
3.
Impudent, insolent, rude, impertinent, saucy, forward, pushing, assuming, brazen-faced, ~-faced.
4.
Conspicuous, striking, prominent, standing out to the view.
5.
Steep, abrupt, precipitous, prominent.