/ Dictionary / Index D debenture bond: Meaning and Definition of Find definitions for: deben'ture bond" Pronunciation: [key] a corporate bond unsecured by any mortgage, dependent on the credit of the issuer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. debenture debilitate 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