Pronunciation (UK) IPA (key): /dɪˈsiːst/ (US) enPR: dē-sēst' IPA (key): /di.ˈsist/ (Canada) IPA (key): /di.ˈsist/ or /di.ˈsizd/ or /dɪˈsizd/ Audio (US)(file) Noun Singular deceased Plural deceased or deceaseds (countable) A deceased person is no longer alive. Synonyms: dead and died Adjective Positive deceased Comparative none Superlative none No longer alive. Related words decease Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads