Twinkling has 5 different meanings across 2 categories:
Noun · Adjective
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"
A shining with fast intermittent light.
present participle and gerund of twinkle
shining intermittently with a sparkling light
"twinkling stars"
Sparkling intermittently.