Source : WordNet®

unafraid
     adj 1: oblivious of dangers or perils or calmly resolute in facing
            them [syn: {unafraid(p)}, {fearless}] [ant: {afraid(p)}]
     2: free from fear or doubt; easy in mind; "secure himself, he
        went out of his way to help others" [syn: {secure}, {untroubled}]
        [ant: {insecure}]