GRITTIEST
Scrabble letter values: G2R1I1T1T1I1E1S1T1 = 10
Definition
GRITTIEST is the superlative of GRITTY.
adjective GRITTY: composed of or covered with particles resembling meal in texture or consistency.
Synonyms of GRITTY: farinaceous, coarse-grained, grainy, granular, granulose, mealy