fulgurate

/ˈfʌlɡjəreɪt/
verb
  1. To flash like lightning; to emit sudden, brilliant light.
    • Diamonds fulgurate under the bright stage lights.
    • The storm clouds fulgurate with intense electrical activity.
    • His eyes seemed to fulgurate with anger during the argument.
Antonyms
What does "fulgurate" mean? | whatsthatwordmean | whatsthatwordmean