Definitions of fortitude

1. Power to resist attack; strength; firmness.

2. That strength or firmness of mind which enables a person to encounter danger with coolness and courage, or to bear pain or adversity without murmuring, depression, or despondency; passive courage; resolute endurance; firmness in confronting or bearing up against danger or enduring trouble.

3. Strength to endure suffering bravely.

4. Firmness of mind; resolute endurance.

5. Strength of mind to endure suffering or peril.

6. That strength of mind or courage which enables a person to bear up calmly under opposition, adversity, or affliction.

7. That power of mind which enables a person to act or suffer with patience, and without flinching or complaining; endurance; resolution.