scintillate UK /ˈsɪn.tɪˌleɪt/US /ˈsɪn.təˌleɪt/ verb5 •To give off sparks; to shine as if emanating sparks; to twinkle or glow.The streets of Rangoon, wallowing in sun, flashed and scintillated with strolling crowds, skirted in their best silk longyis. — 1952 •Of a star or other celestial body: to vary rapidly in brightness; to twinkle. •Especially of a phosphor: to emit a flash of light upon absorbing ionizing radiation. •To dazzle or to impress. •(no longer used) To throw off like sparks.[T]he adrenaline in my veins scintillated the surface of my skin sending chills all over my body. — 2010 formsscintillated · scintillating · scintillates