streak

"If you clean a window in direct sunlight, it will streak."

"The irregulars attacked the government buildings, not following the standard military formations. "

"a continuous current of electricity"

"flags fluttering in the wind"

"Her distinctive laugh, a high-pitched giggle, could be heard across the entire playground. "

"The characteristic smell of freshly baked bread always reminds me of my grandmother's kitchen. "

"The headlines on the front page of the newspaper announced the election results. "

"The feeling of anxiety was pervasive throughout the school after the fire drill. "

"The botanist studied the porcelain plant, a vine common in the forests of eastern China. "

"The guard blew his whistle to indicate imminent departure."

"His appointment was deemed suitable"

"the accomplishment of an enterprise, of a prophecy, etc"