What Does “Flag sb down” Mean?
“Flag sb down” means to get someone’s attention, usually by signaling or waving, to stop them, often a driver or passerby.
Introduction
The phrase “flag sb down” is a common English phrasal verb used when you want to stop someone, especially a vehicle or person, by signaling them. When you flag someone down, you usually wave your hand or make a clear gesture to catch their attention. This action often happens on the street, such as trying to stop a taxi or a bus. Understanding the flag sb down meaning helps learners communicate clearly in everyday situations, especially when asking for help or a ride. It is a practical phrase that appears in conversations, stories, and instructions.
Quick Info Box
- Phrasal verb: flag somebody down
- Type: transitive
- Level: B1 (Intermediate)
- Short meaning: to signal someone to stop
Structure (Grammar Rules)
“Flag sb down” is a separable phrasal verb, which means the object (sb) can come between the verb and the particle or after the whole phrase.
- flag someone down
- flag down someone
Both structures are correct:
- I flagged the taxi down.
- I flagged down the taxi.
How to Use “Flag sb down”?
You use “flag sb down” when you want to stop someone by signaling them. It is often used with vehicles like taxis, buses, or cars but can also apply to people walking.
Common contexts include:
- Stopping a taxi on the street
- Getting the attention of a bus driver
- Signaling a cyclist or motorist to stop
It is polite and practical, especially when you need help or want to ask for a ride.
Examples
Imagine you are late for a meeting, and you see a taxi passing by. You wave your hand to get the driver’s attention. This is flagging the taxi down.
- She flagged down a cab outside the hotel.
- He flagged down the bus to ask if it was going to the city center.
- We flagged down a cyclist to ask for directions.
- They flagged the police car down after witnessing the accident.
- I tried to flag down a taxi, but none stopped.
These sentences show how to use flag sb down in a sentence naturally.
Common Mistakes
Many learners confuse the position of the object or use the wrong preposition.
- Incorrect: I flagged down to the taxi.
- Correct: I flagged down the taxi.
- Incorrect: She flag the taxi down.
- Correct: She flagged the taxi down.
Remember, “flag sb down” does not need extra prepositions like “to” or “at.”
Differences / Synonyms
There are similar phrases like “hail a taxi” or “wave someone down,” but they have slight differences.
- Hail a taxi: Specifically means to call a taxi by raising your hand.
- Wave someone down: More general; can be used for people or vehicles.
“Flag sb down” is often more formal or used in written English, while “wave down” is common in conversation. Both mean signaling to stop.
Common Collocations
Flag sb down is often used with these objects:
- Taxi: To stop a cab.
- Bus: To halt a bus driver.
- Car: To get a driver’s attention.
- Police officer: To signal law enforcement.
- Cyclist: To stop someone on a bike.
Real-life Dialogue
Here is a short conversation using “flag sb down”:
Anna: I’m running late. I need to get a taxi quickly.
Ben: Just flag one down near the corner. There are usually many cabs there.
Anna: Thanks! I’ll try to flag one down now.
Practice
Try to complete the sentence below by choosing the correct phrase:
When I saw the bus coming, I ______ to stop it.
- a) waved down
- b) flagged down
- c) called down
- d) stopped down
Answer: b) flagged down
FAQs
- What does “flag sb down” mean? It means to signal someone to stop, usually by waving or making a gesture.
- Can I use “flag down” for people on foot? Yes, but it is most commonly used for vehicles or moving people.
- Is “flag sb down” formal or informal? It is neutral and can be used in both formal and informal contexts.
- Can I say “flag down someone” or “flag someone down”? Both are correct and commonly used.
- What is a synonym for “flag sb down”? You can use “wave down” or “hail” (especially for taxis).
