/ Dictionary / Index C cost-benefit: Meaning and Definition of Find definitions for: cost-ben•e•fit Pronunciation: (kôst'ben'u-fit, kost'-), [key] — adj. of, pertaining to, or based on a cost-effective analysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. costate cost card 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