postmillennial adjective 3noun 1forms 3 adjective3 •Pertaining to the period following the year 1000 or (now more usually) following the year 2000.[…]“Sweet Nothing” is a quintessential example of both postmillennial EDM-pop music and neoliberal ideology because it shows how the two are intertwined. — 2015 •Following the millennial generation; relating to Generation Z.“I want to get into the heads of people younger than me, to be postmillennial,” she says. “I look at different Instagram influencers, at the music and the music scene, to try to understand it all.” — 2020 •Pertaining to the belief that the Second Coming will take place after the millennium. noun1 •A member of the generation following the millennials; a Gen-Zer.The Founders, the Plurals, iGen or ReGen – what should we call the post-millennials? — 2015 formspostmillennials · more postmillennial · most postmillennial