postprandial UK /ˌpəʊs(t)ˈpɹan.dɪ.əl/US /ˌpoʊs(t)ˈpɹæn.di.əl/ adjective1 •After a meal, especially after dinner.As a post-prandial speaker, however, Thackeray was undeniably the reverse of felicitous. — 1894