Entry 1 sense Webster, 1913 peppy · pep·py · IPA /ˈpɛpi/ 01 adj. Full of pep; spirited; bouncy{2}; as, the peppy and interesting talk. 1. Full of pep; spirited; bouncy{2}; as, the peppy and interesting talk. Syn. bouncing, bouncy, spirited, zippy.