/ Dictionary / Index D dieb. alt.: Meaning and Definition of Find definitions for: dieb. alt. Pronunciation: [key] (in prescriptions) every other day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dieback dieb. secund. Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language