streak

(noun) an unbroken series of events. Synonyms: run. Examples: "Had a streak of bad luck." "Nicklaus had a run of birdies."

(noun) a distinctive characteristic. Examples: "He has a stubborn streak." "A streak of wildness."

(noun) a narrow marking of a different color or texture from the background. Synonyms: stripe, bar. Examples: "A green toad with small black stripes or bars." "May the stars and stripes forever wave."

(noun) a sudden flash (as of lightning).

(verb) move quickly in a straight line. Examples: "The plane streaked across the sky."

(verb) run naked in a public place.

(verb) mark with spots or blotches of different color or shades of color as if stained. Synonyms: mottle, blotch.