bravado
Definition
Conspicuous courage or defiance, often intended to impress or intimidate but possibly insincere.
हिन्दी प्रभाव डालने या डराने के लिए किया जाने वाला स्पष्ट साहस या मोहक व्यवहार
Example
"He walked into the fight with bravado, though he was actually terrified."