#1 sugar n. [refined sugar] a white crystalline carbohydrate used as a sweetener and preservative. wn
#2 sugar v. [saccharify] sweeten with sugar; "sugar your tea". wn
#3 sugar n. [carbohydrate, saccharide] an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain. wn
#4 sugar n. [boodle, bread, cabbage, clams, dinero, dough, gelt, kale, lettuce, lolly, lucre, loot, moolah, pelf, scratch, shekels, simoleons, wampum] informal terms for money. wn
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