/ Dictionary / Index C confidence interval: Meaning and Definition of Find definitions for: con'fidence in"terval Pronunciation: [key] — Statistics. Statistics. the interval bounded by confidence limits. Cf. interval estimation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. confidence game confidence limits Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language