/ Dictionary / Index C cost-of-living index: Meaning and Definition of Find definitions for: cost'-of-liv'ing in"dex Pronunciation: [key] a former term for Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cost of living costotome Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language