Across
- 2. Incapable of being tired out; tireless.
- 5. Firm and unwavering; not easily disturbed or influenced.
- 6. Firm and resolute; not giving in to pressure or persuasion.
- 7. Not intimidated or discouraged by difficulty, danger, or disappointment.
- 9. Remaining steadfast and determined, especially in the face of adversity.
- 11. Capable of recovering quickly from difficult conditions; bouncing back.
- 12. Marked by stubborn determination; tenacious.
- 16. Refusal to change one's views or to agree; stubbornness.
- 19. Continuing at full strength or intensity; without any reduction.
- 20. Tireless and unwavering in effort or enthusiasm.
Down
- 1. Incapable of being used up or depleted; endless.
- 3. Constant and steadfast in purpose or allegiance.
- 4. Continuing firmly in a course of action despite difficulty or opposition.
- 8. Not easing or slackening; persistent and determined.
- 10. Demonstrating steady persistence and determination.
- 13. Stubbornly refusing to change one's opinion or chosen course of action.
- 14. Brave and persistent; showing determination and resilience.
- 15. Impossible to subdue or defeat; unconquerable.
- 17. Loyal, steadfast, and resolute.
- 18. Not discouraged or prevented from continuing.