blɪŋk ˈsɪntɪleɪt ˈsɪntəleɪt ˌsɪntɪˈleɪʃən ˌsɪntəˈleɪʃən ˈspɑɹkl̩ɪŋ ˈspɑːkl̩ɪŋ ˈtwɪŋkl̩ ˈtwɪŋkl̩ ˈwɪŋkəl gleam or glow intermittently The lights were flashing emit or reflect light in a flickering manner Does a constellation twinkle more brightly than a single star? merriment expressed by a brightness or gleam or animation of countenance he had a sparkle in his eye there's a perpetual twinkle in his eyes a rapid change in brightness; a brief spark or flash