Indomitable means impossible to defeat, discourage, or subdue. Someone with an indomitable spirit keeps going no matter how many obstacles block their path. They refuse to give up, even when the odds seem overwhelming.

Think of Helen Keller, who lost both sight and hearing as a toddler but went on to graduate from college, write books, and inspire millions. Her indomitable determination helped her overcome challenges most people couldn't imagine. Or consider the Wright brothers, who faced years of failed experiments and public mockery before achieving the first powered flight. Their indomitable persistence changed human history.

The word comes from Latin roots meaning “not able to be tamed,” like a wild spirit that can't be broken. An indomitable athlete keeps training after an injury. An indomitable inventor keeps experimenting after dozens of prototypes fail. An indomitable student tackles difficult subjects without letting frustration stop them.

Indomitable doesn't mean fearless or perfect. It means that when fear, failure, or exhaustion arrive, you find a way to continue anyway. A person with an indomitable will doesn't ignore hardship; they acknowledge it and keep moving forward regardless.