Small, loose particles of stone or sand. noun
The wind blew grit into her eyes as she walked along the beach.
He felt the grit under his shoes as he crossed the gravel path.
Courage and resolve; strength of character. noun
Despite the challenges, she showed true grit and determination.
It takes grit to stand up for what you believe in.
To clench (the teeth), especially in order to keep one's resolve when faced with pain or difficulty. verb
He gritted his teeth and continued to push through the pain.
She gritted her teeth as she lifted the heavy box.