1. [ adjective ] oblivious of dangers or perils or calmly resolute in facing them
Synonyms: fearless
Related terms: afraid unapprehensive unblinking unfrightened brave bold fear
2. [ adjective ] free from fear or doubt; easy in mind
Synonyms: secure untroubled

"secure himself, he went out of his way to help others"

Related terms: insecure
Similar spelling:   unbraid