The phrasal verb "wave down" is primarily used in informal contexts, often featuring in everyday conversation rather than formal written or spoken language. This phrasal verb is particularly common when discussing situations involving transportation or communication with drivers. "Wave down" is used when a person gestures with their hand to get the attention of a car or taxi, signaling for it to stop, usually because they need a ride. This action typically occurs in urban or roadside settings, where pedestrian and vehicle interactions are frequent. The phrasal verb conveys an immediate and visible request for attention, making it effective and widely understood in casual discourse. In more formal contexts, one might opt for alternatives like "signal to stop" or "flag," thus preserving the formal tone.
B1
PreIntermediate
1. To signal someone, especially a vehicle, to stop by waving one's hand.
I managed to wave down a taxi in the busy street.
He waved down the truck to ask for directions.
They were able to wave down the bus just before it passed the stop.