grit

US /ɡrɪt/
UK /ɡrɪt/
"grit" picture
1.

courage and resolve; strength of character

:
It takes real grit to overcome such challenges.
She showed remarkable grit in finishing the marathon despite her injury.
2.

loose particles of stone or sand

:
The road was covered with loose grit after the storm.
He felt a piece of grit in his eye.
1.

to clench (the teeth), especially in response to anger or pain

:
He had to grit his teeth to hold back the scream.
She gritted her teeth and pushed through the pain.