grit has definitions from the field of geology
1
[ noun ] (geology) a hard coarse-grained siliceous sandstone

Synonyms

gritstone gritrock

Related terms

sandstone

2
[ verb ] clench together

Examples

"grit one's teeth"

Related terms

clench

3
[ verb ] cover with a grit

Examples

"grit roads"

Related terms

coat

4
[ noun ] (informal) fortitude and determination

Examples

"he didn't have the guts to try it"

Related terms

fortitude colloquialism

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