Synonyms and related words :
Spartanism, acerbity, acidity, acridity, acrimony, astringency, austerity, authoritarianism, bite, bitterness, causticity, chinchiness, chintziness, demandingness, discipline, edge, exactingness, exiguity, fewness, fierceness, grimness, grip, hardness, harshness, inclemency, infrequency, keenness, meagerness, meticulousness, miserliness, mordacity, mordancy, niggardliness, paucity, poignancy, point, rarity, regimentation, restrictedness, rigid discipline, rigor, roughness, ruggedness, scantiness, scarcity, scrimpiness, severity, sharpness, skimpiness, smallness, sparseness, sparsity, sternness, sting, stinginess, strictness, stridency, tartness, teeth, thinness, tightness, toughness, trenchancy, ungentleness, vehemence, violence, virulence