/ Dictionary / Index P predecease: Meaning and Definition of Find definitions for: pre•de•cease Pronunciation: (prē"di-sēs'), [key] — -ceased, -ceas•ing. to die before (another person, the occurrence of an event, etc.). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: predecease (Thesaurus) predawn predecessor Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language