/ Dictionary / Index S sickie: Meaning and Definition of Find definitions for: sick•ie Pronunciation: (sik'ē), [key] — n. Slang. a person who is deranged or perverted. a morbid or sadistic thing, as a joke. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sick headache sickish Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language