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1. Gleam or glow intermittently
   - flash, blink, wink, winkle
    
2. Emit or reflect light in a flickering manner
   "Does a constellation twinkle more brightly than a single star?"
   - winkle, scintillate

1. A rapid change in brightness; a brief spark or flash
   - scintillation, sparkling
    
2. Merriment expressed by a brightness or gleam or animation of countenance
   "there's a perpetual twinkle in his eyes"
   - sparkle, spark, light

Derived forms: twinkled, twinkles, twinkling

See also: twinkler, twinkly

Type of: alteration, aspect, beam, change, expression, face, facial expression, look, modification, radiate, shine, verve, vitality

Encyclopedia: Twinkle, Twinkle, Lucky Stars Twinkle, Twinkle Little Star Twinkle, Twinkle, Little Star Twinkle Twinkle, Twinkle, Little Bat Twinkle, twinkle, little star Twinkle, twinkle little star Twinkle, twinkle, little Star Twinkle, Twinkle Lucky Stars Twinkle, the Dream Being