/ Dictionary / Index C CJ: Meaning and Definition of Find definitions for: CJ Pronunciation: [key] Chief Justice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. civvy ck. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language