/ Dictionary / Index D de fide*: Meaning and Definition of Find definitions for: de fi•de Pronunciation: (de-fē'de Eng. dē-fi'dē), [key] — Latin. Latin. of the faith: a phrase used in the Roman Catholic Church to qualify certain teachings as being divinely revealed, belief in them therefore being obligatory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deficit spending defier Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language