What Does “Leave sb behind” Mean?
The phrase “leave sb behind” means to go ahead and not take someone with you, either physically or figuratively. It can also mean to surpass someone in progress or success.
Introduction
The phrase “leave sb behind” is a common English phrasal verb used in many contexts. It usually means to move forward without someone else, either by physically going ahead or by surpassing them in some way. For example, in a race, if you run faster, you leave the other runners behind. In life or work, it can mean progressing more quickly than others. Understanding the “leave sb behind meaning” helps learners use this phrase naturally in conversations, whether talking about competition, travel, or personal growth.
Quick Info Box
- Phrasal verb: leave somebody behind
- Type: transitive
- Level: B1 (Intermediate)
- Short meaning: to go ahead without someone or surpass someone
Structure (Grammar Rules)
“Leave sb behind” is a separable phrasal verb. The object (sb = somebody) comes between the verb “leave” and the particle “behind.”
Structure pattern: leave + somebody + behind
- Correct: She left him behind during the hike.
- Incorrect: She left behind him during the hike.
How to Use “Leave sb behind”?
You use “leave sb behind” when talking about physically moving ahead of someone or when you are doing better or progressing faster than someone else. It can be used in sports, work, education, or social situations. The phrase emphasizes that one person or group moves forward while the other stays behind or is not included.
Examples
Imagine a race where one runner is much faster than the others. You can say, “He left his competitors behind.”
- During the marathon, Sarah left all her friends behind.
- The company left its competitors behind by launching a new product.
- Don’t leave your teammates behind when you’re hiking.
- She worked hard to leave her past behind and start fresh.
- Leave sb behind in a sentence: “They left us behind because we were too slow.”
Common Mistakes
Many learners confuse the word order or forget that the object must come between “leave” and “behind.”
- Incorrect: I will leave behind you.
- Correct: I will leave you behind.
- Incorrect: She left behind her friends.
- Correct: She left her friends behind.
Differences / Synonyms
“Leave sb behind” is similar to phrases like “outpace,” “overtake,” or “abandon,” but there are differences.
- Outpace / Overtake: Focus more on speed or progress, often in races or competition.
- Abandon: Means to leave someone in a difficult situation, often with a negative tone.
- “Leave sb behind” can be neutral or positive, depending on context.
Common Collocations
Some common words that go with “leave sb behind” include:
- Friends: To move ahead while your friends stay back.
- Competitors: Surpassing rivals in sports or business.
- Past: To forget or move on from previous events.
- Team: Leaving teammates behind physically or metaphorically.
Related Phrasal Verbs
Here are related phrasal verbs of leave sb behind:
Real-life Dialogue
Here is a short conversation using “leave sb behind”:
Anna: I can’t believe we left Mark behind during the run!
Ben: Yeah, he needs to train more. We were much faster.
Anna: Next time, let’s wait for him at the finish line.
Practice
Fill in the blanks with the correct form of “leave sb behind”:
- During the race, Tom __________ all his opponents __________.
- Don’t __________ your friends __________ when hiking alone.
- Our company __________ the competition __________ by innovating.
FAQs
- What does “leave sb behind” mean?
It means to go ahead without someone or to surpass someone in progress.
- Is “leave sb behind” positive or negative?
It can be both, depending on the context.
- Can I use “leave sb behind” in a literal and figurative way?
Yes, it works for physical movement and abstract ideas like success.
- Is “leave sb behind” separable?
Yes, the object goes between “leave” and “behind.”
- What is a common mistake with this phrasal verb?
Placing the object after “behind” instead of between the verb and particle.

