Intrepid (adjective)

1. Unafraid of danger or difficult situations; courageous.
2. Resolute and determined, especially in the face of danger or adversity.

Origin:

From the latin word intrepidus (fearless).

Examples:

1. The intrepid explorer ventured into the uncharted jungle.
2. The intrepid firefighter rescued the trapped child from the burning building.
3. She was an intrepid reporter who was not afraid to ask tough questions.
4. The intrepid team of mountaineers reached the summit despite the treacherous conditions.
5. He was an intrepid leader who was not afraid to take risks.