Source : Webster's Revised Unabridged Dictionary (1913)

Fearless \Fear"less\, a.
   Free from fear.

   Syn: Bold; courageous; intrepid; valorous; valiant; brave;
        undaunted; dauntless; heroic. -- {Fear"less*ly}, adv. --
        {Fear"less*ness}, n.

Source : WordNet®

fearless
     adj 1: oblivious of dangers or perils or calmly resolute in facing
            them [syn: {unafraid(p)}] [ant: {afraid(p)}]
     2: possessing or displaying courage; able to face and deal with
        danger or fear without flinching; "Familiarity with danger
        makes a brave man braver but less daring"- Herman
        Melville; "a frank courageous heart...triumphed over
        pain"- William Wordsworth; "set a courageous example by
        leading them safely into and out of enemy-held territory"
        [syn: {brave}, {courageous}] [ant: {cowardly}]
     3: resolute and without fear [syn: {doughty}, {hardy}]
     4: invulnerable to fear or intimidation; "audacious explorers";
        "fearless reporters and photographers"; "intrepid
        pioneers" [syn: {audacious}, {brave}, {dauntless}, {intrepid},
         {unfearing}]