Of or having good digestion or a consequent air of healthy good spirits.
- ‘It was eupeptic down tonight in the woods, eh.’
- ‘He was eupeptic where the woman was dyspeptic.’
- ‘As late as 1927, the year of the first big sound film, the Jazz singer still sounded eupeptic about vaudeville's fortunes.’
Late 17th century (in the sense helping digestion): from Greek eupeptos, from eu well, easily + peptein to digest.