adjective. ['ˈtwɪŋkəlɪŋ, ˈtwɪŋklɪŋ'] shining intermittently with a sparkling light.
noun. ['ˈtwɪŋkəlɪŋ, ˈtwɪŋklɪŋ'] a very short time (as the time it takes the eye to blink or the heart to beat).