Signal to stop, as in The police were flagging down all cars. This expression uses the verb flag in the sense of “catch the attention of, as by waving a flag,” a usage dating from the mid-1800s; down was added in the first half of the 1900s.
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Words nearby flag down
Example sentences from the Web for flag down
Clad in a blue, striped button-down, a silver watch adorning his left wrist, Huckabee beams on the cover.Huckabee 2016: Bend Over and Take It Like a Prisoner!|Olivia Nuzzi|January 8, 2015|DAILY BEAST
That article noted that the F-35 does not currently have the ability to down-link live video to ground troops,.
A grand juror in the Ferguson case is suing to be able to explain exactly what went down in the courtroom.Politicians Only Love Journalists When They're Dead|Luke O’Neil|January 8, 2015|DAILY BEAST
The gunman then burst from the restaurant and fled down the street with the other man.
My doctor insisted that once I filed this piece I lie down on my bed and not get out.I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003|Vicky Ward|January 7, 2015|DAILY BEAST
Then there was Wee Wo,—he was a little Chinese chap, and we used to send him down the chimneys to open front doors for us.Davy and The Goblin|Charles E. Carryl
The bride elect rushes up to him, and so they both step down to the foot-lights.Physiology of The Opera|John H. Swaby (AKA "Scrici")
I take the Extream Bells, and set down the six Changes on them thus.Tintinnalogia, or, the Art of Ringing|Richard Duckworth and Fabian Stedman
His wife stood smiling and waving, the boys shouting, as he disappeared in the old rockaway down the sandy road.The Awakening and Selected Short Stories|Kate Chopin
So he bore down on the solemn declaration that she stood face to face with a prison term for perjury.The Bondboy|George W. (George Washington) Ogden