1. n. Sucrose in the form of small crystals, obtained from sugar cane or sugar beet and used to sweeten food and drink.
2. n. A specific variety of sugar.
3. n. (chemistry) Any of various small carbohydrates that are used by organisms to store energy.
4. n. A small serving of this substance (typically about one teaspoon), used to sweeten a drink.
He usually has his coffee white with one sugar.
5. n. A term of endearment.
I'll be with you in a moment, sugar.
6. n. (slang) A kiss.
7. n. (chiefly southern US, slang) Effeminacy in a male, often implying homosexuality.
I think John has a little bit of sugar in him.
8. n. (informal) Diabetes.
9. n. (dated) Anything resembling sugar in taste or appearance, especially in chemistry.
Sugar of lead (lead acetate) is a poisonous white crystalline substance with a sweet taste.
10. n. Compliment or flattery used to disguise or render acceptable something obnoxious; honeyed or soothing words.
11. n. (US, slang) heroin Heroin.
12. v. To add sugar to; to sweeten with sugar.
John heavily sugars his coffee.
13. v. To make (something unpleasant) seem less so.
She has a gift for sugaring what would otherwise be harsh words.
14. v. (US, Canada regional) In making maple sugar, to complete the process of boiling down the syrup till it is thick enough to crystallize; to approach or reach the state of granulation; with the prepositi
15. v. (entomology) To apply sugar to trees or plants in order to catch moth, moths.
16. v. (programming, transitive) To rewrite (source code) using syntactic sugar.
17. interj. (informal, euphemistic) Used in place of shit!