grandmillennial /ˌɡɹændmɪˈlɛniəl/noun 2adjective 1forms 3 noun2 •A style of decor and dressing that incorporates elements of traditional or vintage styles into a modern lifestyles.Perhaps best summed up as a mixture of Laura Ashley prints, chintzy wallpaper, imaginative paint ideas, and plenty of ruffled edges, grandmillennial is a true rejection of minimalism. — 2023 •A person who embraces such style. adjective1 •Incorporating elements of traditional or vintage styles into a modern lifestyles.Sofas with skirts are very "grandmillennial." The "grandmillennial" style — sometimes called "granny chic" — combines modern aesthetics with older design trends. — 2023 formsgrandmillennials · more grandmillennial · most grandmillennial