streak /stɹiːk/noun 12verb 6forms 3phrases 2 noun12 •An irregular line, as is left from smearing or motion.The picture I took out the car window had streaks. •A continuous series of like events.I hope I can keep up this streak of accomplishments.I was on a winning streak until the fourth game, when I was dealt terrible cards. •(Internet) A measure of activity that tracks how many consecutive days a certain interaction with another user or a service has taken place, a form of gamification to drive user engagement.Out went conversation in favour of fast and more immediate pleasures. We migrated on to texts, voice notes, emojis and the Snapchat “streak”. — 2025 •A band, line or stripe.A streak of light on the horizon. •A tendency or characteristic, but not a dominant or pervasive one.She's a quiet, bookish person, but she has a rebellious streak. •(figurative) A consistent facet of somebody's personality.But speaking of cats, there's a good deal to be learned about women from them, 'Orace. […] I've known very few who wouldn't admit, between ourselves, that most others had a fair streak of the feline. — 1934 •The act of streaking, or running naked through a public area. •The color of the powder of a mineral, so called, because a simple field test for a mineral is to streak it against unglazed white porcelain. •A group of tigers.The detection of Feline Panleukopenia (FLP) infection in a streak of tigers rescued in Karnataka has raised concerns among forest officials and veterinarians across the country. — 2025 •A moth of the family Geometridae, Chesias legatella. •A strake. •A rung or round of a ladder. verb6 •To have or obtain streaks.If you clean a window in direct sunlight, it will streak. •To run quickly."As it was I came a hell of a crack against a Dam' rustic arbour in the garden. Dam' near stunned me. But I never stopped a second. Up and over the back fence and streaked for the common." — 1938 •To move very swiftly.But when we streaked through Doncaster at all but a mile-a-minute, with a miraculously clear road, in no more than 37 min. 18 sec. from the York start, I began to sit up and take notice. — 1949 •To create streaks upon.You will streak a window by cleaning it in direct sunlight. •To run naked in public.It was a pleasant game until some guy went streaking across the field. •(UK, no longer used) To stretch; to extend; hence, to lay out, as a dead body. formsstreaked · streaking · streaks Phrases with streak mean streakA defect in character characterized by persistent nastiness, viciousness, or malevolence. talk a blue streakTo talk for a long duration of time, at a rapid pace without giving others a chance to speak, or to the point of tedium.