GRIT
—none. 1 particles of stone or sand, esp. As irritating or hindering. 2 coarse sandstone. 3 colloq. Pluck, endurance. —verb. (-tt-) 1 spread grit on (icy roads etc.). 2 clench (the teeth). 3 make a grating sound. ? gritter none. Gritty adjective. (-ier, -iest). [old english]