a sweet crystalline substance obtained from various plants, especially sugar cane and sugar beet, consisting essentially of sucrose, and used as a sweetener in food and drink

a spoonful of sugar

a sugar bowl

any of the class of soluble, crystalline, typically sweet-tasting carbohydrates found in living tissues and exemplified by glucose and sucrose

used as a term of endearment

what's wrong, sugar?

used as a euphemism for ‘shit’

‘Oh sugar!’ cried Sally

a narcotic drug, especially heroin or LSD

bags full of extra-fine Colombian sugar

sweeten, sprinkle, or coat with sugar

Mother absent-mindedly sugared her tea

make more agreeable or palatable

the novel was preachy but sugared heavily with jokes