Synonyms and related words :
air pollution, attritus, backbone, bottle, bottom, bran, bravery, breccia, chafe, chutzpah, cosmic dust, courage, courageousness, crumb, crumble, dauntlessness, debris, determination, detritus, doughtiness, dust, dust ball, efflorescence, exacerbate, fallout, farina, fearlessness, filings, firmness, flour, fortitude, fret, gall, gameness, grain, granule, granulet, grate, grate on, gravel, grits, groats, guts, gutsiness, guttiness, hardihood, hardiness, heart, heart of oak, intestinal fortitude, intrepidity, intrepidness, irritate, kittens, lint, meal, mettle, mettlesomeness, moxie, nerve, pith, pluck, pluckiness, powder, provoke, pussies, rasp, raspings, resoluteness, resolution, resolve, sand, sawdust, set on edge, shingle, smut, soot, spirit, spunk, spunkiness, stalwartness, stamina, starch, staunchness, stout heart, tenacity, toughness, true grit, valor