Definition of twinkle

noun (n)

• a rapid change in brightness; a brief spark or flash (noun.event)

  Synonym: scintillation, sparkling
  

  source: wordnet30
• merriment expressed by a brightness or gleam or animation of countenance (noun.attribute)

  Synonym: light, spark, sparkle
  

  Example:
  There's a perpetual twinkle in his eyes.
  

  source: wordnet30
• A closing or opening, or a quick motion, of the eye; a wink or sparkle of the eye. (noun)

  source: webster1913

verb (v)

• gleam or glow intermittently (verb.perception)

  Synonym: blink, flash, wink, winkle
  

  source: wordnet30
• emit or reflect light in a flickering manner (verb.weather)

  Synonym: scintillate, winkle
  

  Example:
  Does a constellation twinkle more brightly than a single star?.
  

  source: wordnet30
• To open and shut the eye rapidly; to blink; to wink. (verb)

  source: webster1913

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