/ Dictionary / Index L life interest: Meaning and Definition of Find definitions for: life' in'terest Pronunciation: [key] interest on property that is payable during the owner's lifetime but cannot be passed on to another or others after his or her death. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. life insurance life jacket Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language