Pertaining to or of the nature of dyspepsia: as, a dyspeptic, complaint.Suffering from or afflicted with dyspepsia or indigestion: as, a dyspeptic person.Characteristic of one afflicted with chronic dyspepsia; hence, bilious; morbid; “blue”; pessimistic; misanthropic: as, a dyspeptic view or opinion.n. A person afflicted with dyspepsia.