Apart or A Part: Which One Should You Use?

Mixing up similar-looking words like ‘apart’ or ‘a part’ might not seem like a big deal, but did you know that they have different meanings? You should use ‘apart’ when talking about things that are separated and ‘a part’ when something is included in a whole. Keep on reading to learn more about the correct usage of these commonly used words and their main difference. 

Related:

What Does Apart Mean?

Photo showing the meaning of the adverb "apart"

‘Apart’ is an adverb you can use to describe things that are distant or separated from each other. 

The word comes from Middle English, where it originally meant ‘to the side.’ While the phrasing has evolved, the core meaning of separation remains. When you talk about things being ‘apart,’ you’re indicating that they are not connected or distant from each other.”

Example sentences:

  • The classmates were scattered apart, taking different paths.
  • You can’t pull things apart and expect them to fit.
  • We grew apart as our conversations became less frequent.
  • Apart from the quizzes, what did I miss? 
  • I enjoyed the event apart from the movies. 
  • The team worked hard but eventually split apart.

When and How to Use Apart?

‘Apart’ mostly acts as an adverb, which means that it shows that things are separated or distant. 

For example, you might say, ‘The two friends grew apart over the years’ to describe how they became distant with time.

As a prepositional phrase, ‘apart from’ is used to indicate exclusion or contrast. You could say, ‘Apart from a few small issues, everything went smoothly,’ to point out that the minor issues were not significant enough to affect the process.

What Does A Part Mean?

Photo showing the meaning of the noun phrase "a part"

‘A part’ refers to a piece or component of something larger. It’s a noun phrase you can use to describe involvement, membership, or physical pieces of a whole. 

For example, if you say, ‘He felt like a part of the family after years of friendship,’ it means he’s like a family member.

When used as a noun phrase, ‘a part’ is always written as two separate words. It’s a noun phrase consisting of the article’  a’ and the noun ‘part,’ which together indicate a piece of something larger.

Example sentences:

  • The Governor played a part in building the school hall.
  • This chapter is a part of the finance book.
  • Being a part of the community feels rewarding.
  • The class representative wanted to be a part of our class project.
  • We are a part of the company. 

When and How to Use A Part?

Use ‘a part’ to describe something that is a component or segment of a whole. You’ll almost always see ‘a part’ followed by ‘of’ because it’s describing a piece of something.

What Are the Differences?

‘Apart’ indicates separation or distance, whereas ‘a part’ refers to inclusion as a component of something larger.

 For example:

  • ‘The two friends live apart’ means they live separately.
  • ‘The muffler is a part of the exhaust system of a car’ means the muffler is a component of the car’s exhaust system.

Which One Should You Use?

Choosing between ‘apart’ vs ‘a part’ depends on what you’re trying to say. 

  1. Use ‘apart’ when describing separation or distance, like ‘The two cities are miles apart.’
  2.  Use ‘a part’ when referring to being a component or member of something, like ‘He is a part of the committee.’

Quick Tip: If you’re unsure, ask yourself: Am I talking about something being separate or something being included?

Trick to Remembering the Correct Word to Use

Struggling to remember when to use ‘apart or ‘a part’? Instead of relying on memorization, you can use a quick replacement test to guide you. Let’s break it down so you’ll never mix them up again.

  • If you can replace the word with ‘separate’ or ‘away,’ use ‘apart.’
  • If you can replace it with ‘piece’ or ‘component,’ use ‘a part.’

For example:

  • The two friends grew apart. → “The two friends grew separate.
  • “She is a part of the group. → “She is a component of the group.

Final Thoughts

‘Apart’ and ‘a part’ are commonly confused — even professional writers sometimes mix them up! The key difference is simple: ‘apart’ means separate or distant, whereas ‘a part’ means included as a piece of a whole.

If you’re unsure, try replacing the word with separate/away or component/pieces. Use ‘apart’ if separate fits and ‘a part’ if a component makes sense.