dys·pep·tic I. \dəˈspeptik, (ˈ)di|s-\adjective alsodys·pep·ti·cal\-tə̇kəl, -tēk-\ Etymology: Greek dyspeptos + English -ic, -ical 1.: relating to dyspepsia : having dyspepsia < a dyspeptic symptom > — opposed to eupeptic 2. a.: gloomy or negative < took a dyspeptic view of the whole affair > b.: ill-tempered, morose II. noun (-s) : a person having dyspepsia