Meaning of twinkle

Definition of twinkle

(noun) a rapid change in brightness; a brief spark or flash
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"
(verb) 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?"

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