Oblivious of dangers or perils or calmly resolute in facing them.

synonym: unafraid.

Roget 858: hoping etc. v.; in hopes etc. n.; hopeful, confident; secure etc. (certain) 484; sanguine, in good heart, buoyed up, buoyant, elated, flushed, exultant, enthusiastic; heartsome^†; utopian.    unsuspecting, unsuspicious; fearless, free from fear, free from suspicion, free from distrust, free from despair, exempt from fear, exempt from suspicion, exempt from distrust, exempt from despair; undespairing^†, self reliant.    probable, on the high road to; within sight of shore, within sight of land; promising, propitious; of promise, full of promise; of good omen; auspicious, de bon augure [Fr.]; reassuring; encouraging, cheering, inspiriting, looking up, bright, roseate, couleur de rose [Fr.], rose-colored.    ... show more

Invulnerable to fear or intimidation:
— Fearless reporters and photographers.

synonyms: audacious, brave, dauntless, hardy, intrepid, unfearing.

Roget 861: courageous, brave; valiant, valorous; gallant, intrepid; spirited, spiritful^†; high-spirited, high-mettled^†; mettlesome, plucky; manly, manful; resolute; stout, stout-hearted; iron-hearted, lion-hearted; heart of oak; Penthesilean.    bold, bold-spirited; daring, audacious; fearless, dauntless, dreadless^†, aweless; undaunted, unappalled, undismayed, unawed, unblanched, unabashed, unalarmed, unflinching, unshrinking^†, unblanching^†, unapprehensive; confident, self-reliant; bold as a lion, bold as brass.    enterprising, adventurous; venturous, venturesome; dashing, chivalrous; soldierly etc. (warlike) 722; heroic.    fierce, savage; pugnacious etc. (bellicose) 720.    strong-minded, hardy, doughty; firm etc. (stable) 150; determined etc. (resolved) 604; dogged, indomitable etc. (persevering) 604.1. up to, up to the scratch; upon one's mettle; reassured etc. v.; unfeared^†, undreaded^†.    ... show more