Bliss \Bliss\ (bl[i^]s), n.; pl. {Blisses} (bl[i^]s"[e^]z). [OE. blis, blisse, AS. blis, bl[=i][eth]s, fr. bl[=i][eth]e blithe. See {Blithe}.] Orig., blithesomeness; gladness; now, the highest degree of happiness; blessedness; exalted felicity; heavenly joy. An then at last our bliss Full and perfect is. --Milton. Syn: Blessedness; felicity; beatitude; happiness; joy; enjoyment. See {Happiness}.