grit
Definitions
Small, loose particles of stone or sand.
Courage and resolve; strength of character.
A coarse-grained sandstone.
Examples
It took a great deal of grit to finish the marathon despite her injury.
The athlete's grit and determination inspired the entire team to keep pushing forward.
Synonyms
perseverance determination tenacity resilience backbone fortitude courage
Antonyms
cowardice weakness timidity indecision apathy laziness fragility