gross, n. [aggregate].
grotesque, a. [fantastic], [bizarre], [outlandish], baroque, [whimsical].
grouchy, a. (Colloq.) [unamiable], [sullen], [surly], cynical, [morose], [cross].
ground, n. [soil], [earth], [dirt], clod, loam, [mould], [clay], [land]; premise, [reason], [consideration], [motive], [inducement], [reason]; terra-firma.
ground hog. woodchuck, American marmot.
groundless, a. [unfounded], chimerical, [baseless], unauthorized.
grounds, n. pl. [settlings], [sediment], [dregs], precipitate.
ground squirrel. chipmunk, hackee.
groundwork, n. [foundation], [basis], [base].