"twinkling" in the noun sense
1. blink of an eye, flash, heartbeat, instant, jiffy, split second, trice, twinkling, wink, New York minute
a very short time (as the time it takes the eye to blink or the heart to beat
"if I had the chance I'd do it in a flash"
"twinkling" in the verb sense
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?"
"twinkling" in the adjective sense
shining intermittently with a sparkling light
Source: WordNet® (An amazing lexical database of English)
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