어떤 어려움에도 굴복하지 않고 꿋꿋하며 기세가 꺾이지 않는.
Impossible to subdue, defeat, or discourage; having a spirit or will that cannot be broken.
예문:
"Despite facing numerous setbacks, her indomitable will to succeed led her to the top of the company."
"The small nation's indomitable spirit during the invasion inspired the entire world."
"He faced the terminal illness with an indomitable optimism that surprised even his doctors."