/ Dictionary / Index D decedent: Meaning and Definition of Find definitions for: de•ce•dent Pronunciation: (di-sēd'nt), [key] — n. Law. a deceased person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: decedent (Thesaurus) deceased decedent estate Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language