mortis Get Printable Handwriting Watch Say It Video Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a latin word meaning 'of death'. Example Sentence The body was in complete rigor mortis when the coroner arrived. More Example Sentences In stories, mortis is often used. Synonyms death; demise; passing Antonyms living Hear It! Say It! Write It! mortis Switch to cursive Start Share with your friends: Watch Say It Video