/ Dictionary / Index S slim disease: Meaning and Definition of Find definitions for: slim' disease" Pronunciation: [key] a form of AIDS common in Africa, marked by emaciation and fever. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slim slime Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language