1. (

• twinkle ,
• scintillation ,
• sparkling

) a rapid change in brightness; a brief spark or flash ;

2. (

• sparkle ,
• twinkle ,
• spark ,
• light ,

) 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" ;

1. (

• flash ,
• blink ,
• wink ,
• twinkle ,
• winkle

) gleam or glow intermittently; "The lights were flashing" ;

2. (

• twinkle ,
• winkle ,
• scintillate

) emit or reflect light in a flickering manner; "Does a constellation twinkle more brightly than a single star?" ;