suprasegmental /ˌsuːp.ɹə.sɛɡˈmɛn.təl/adjective 2noun 1forms 1 adjective2 •Of or relating to a suprasegmental. •More than a segment. noun1 •An effect on speech, such as length, stress, tone, and phonation type, that extends over more than one segment of sounds. formssuprasegmentals