Is It Correct to Say “Comprised Of”? A Complete Guide to Usage in English

In my experience, Is It Correct to Say “Comprised Of”? Exploring the Usage in English shows how the phrase “comprised of” often dances on tips of tongues in spoken conversations and appears in written pieces, reports, essays, and other serious discussions, sometimes sounding formal, polished, but also raising whispers of doubt about whether it is grammatically correct or just fluff, as many experts argue.

Over years, people who use this phrase in writing or speaking must remember the small difference it makes. The debate continues in corners of forums, classrooms, and professional discussions, stirring dust and frustration for those trying to pick a side. Language is alive, evolving with flexibility, but traditional rules still apply. It’s crucial to think, trust your instincts, and choose the best term for your audience, keeping your English sound, accurate, and intelligent, as subtle change can last forever, whether addressing 48 colleagues or documenting 70 examples.

Why “Comprised Of” Sparks Debate

When you dig into grammar forums, style guides, and usage dictionaries, “comprised of” tends to stir up strong opinions. Some editors insist it’s wrong. Others shrug and say it’s fine. You might catch yourself hesitating before you write it.

Here’s the core issue in simple terms:

“Comprise” already means “to include” or “to consist of.” Adding “of” is redundant according to traditional grammar rules.

So traditionalists claim:

• “The team comprises ten players” is correct.
• “The team is comprised of ten players” is wrong or at least non‑standard.

But language evolves — and actual usage doesn’t always match textbook rules. In modern English, you’ll see “comprised of” everywhere.

This guide cuts through the noise. You’ll learn what’s accepted, what’s outdated, when to use what, and how to avoid common pitfalls.

The Origins of “Comprised Of”

To understand the controversy, we have to look at where “comprise” came from.

The word comprise entered English in the late 15th century, from the French comprendre (“to include”). Originally, it meant simply:

“to contain or include.”

Historical Meaning

Century	Typical Use
15th–17th	“Comprise” used without “of” — e.g., “The set comprises five books.”
18th–19th	Increase in the use of “comprised of” appears in writings.
20th–21st	“Comprised of” becomes increasingly common in informal and some formal writing.

So early English writers did not use “comprised of.” It showed up later — and that’s part of why some grammarians object to it.

Why It Matters

Part of the disagreement comes from how grammar was traditionally taught:

• Prescriptive grammarians say: Stick to the original structure.
• Descriptive grammarians say: Language use evolves; accept common usage.

Both sides have valid points. But you shouldn’t rely on guesswork — you need to know how each form functions and when it’s appropriate.

Grammar Experts Weigh In

Let’s look at what major style guides and usage experts actually say.

Style Guide Positions

Guide / Expert	Position on “Comprised Of”
The Chicago Manual of Style	Advises against “comprised of.”
Oxford English Dictionary	Notes traditional use without “of,” but acknowledges evolving usage.
Garner’s Modern English Usage	Disfavors “comprised of”; calls it contentious.
Merriam‑Webster	Lists “comprised of” as a valid phrase in modern use.
Cambridge Dictionary	Notes traditional disapproval, but includes common usage.

What this means:
There’s no absolute consensus. Some editors bold‑facedly discourage “comprised of.” Others accept it because people use it widely.

Prescriptive vs. Descriptive

• Prescriptive grammar tells you how you should write.
• Descriptive grammar tells you how people actually write.

Most style manuals lean prescriptive, especially in academic and professional writing. That’s why you’ll see advice like:

“Don’t use ‘comprised of’ — use ‘comprises.’”

But real world usage (especially online and in journalism) often leans descriptive — meaning “comprised of” is commonly accepted.

The Core Debate: “Comprises” vs. “Comprised Of”

Let’s strip the confusion down.

The Traditional Rule

Use comprise without “of.”
This structure treats the whole first, parts second.

Correct:

• “The committee comprises ten members.”
• “The book comprises twelve chapters.”

Not traditional:

• “The committee is comprised of ten members.”

Why Grammar Teachers Object

Think of comprise as meaning “contains” or “includes.” So adding of feels like saying:

“Includes of,” which is redundant.

Imagine saying:

• “The box includes of ten toys.”
  It sounds wrong — because includes doesn’t take of.

Where “Comprised Of” Comes From

Some writers began using passive constructions:

• “The country is comprised of multiple cultures.”
  This sounds conversational and natural to many English speakers.

Here’s a simple comparison:

Phrase	Traditional?	Commonly Used Today?
The set comprises three parts	✅ Yes	✔ Yes
The set is comprised of three parts	❌ Traditional‑style no	✔ Yes, common
The set is composed of three parts	✔ Yes	✔ Yes

So you see the tension: Traditional grammar says no, actual usage says yes.

Modern Usage in Publications and Media

To see what’s really happening, linguists and editors look at corpora — massive databases of real text.

Usage Findings

Recent studies of published writing show:

• “Comprised of” appears frequently in newspapers and magazines.
• Many academic journals still avoid it in formal writing.
• Some dictionaries now list it as acceptable due to widespread use.

Here’s a snapshot of where you might see each form:

Context	Preferred Form	Accepted but Less Common
Academic journal articles	“Comprises” or “is composed of”	“Is comprised of” (rare)
News and blogs	“Is comprised of”	“Comprises”
Technical writing	“Comprises”	“Is composed of”
General books	All forms depending on author style	—

Real Examples from Publications

Consider these real sentences (edited for clarity):

• “The orchestra comprises musicians from around the world.”
• “The team is comprised of players from ten countries.”
• “The device comprises three main components.”

Notice how all three structures are actively used, depending on tone and audience.

Takeaway: Modern English doesn’t police “comprised of” as strictly as past grammar rules did. That doesn’t mean every editor approves of it — but many writers use it without hesitation.

Correct Alternatives and When to Use Them

Now let’s focus on what you can use with confidence.

Best Choices for Clear English

“Comprises”

Use this when you want to stick with traditional grammar and precision.

Examples:

• “The album comprises twelve tracks.”
• “The group comprises six volunteers.”

“Is composed of”

This is safe, widely accepted, and avoids debate.

Examples:

• “The class is composed of beginners and experts alike.”
• “The structure is composed of steel and glass.”

“Is made up of”

Easy, conversational, and reader-friendly.

Examples:

• “The team is made up of students and professionals.”
• “The recipe is made up of simple ingredients.”

When to Avoid “Comprised Of”

Avoid “comprised of” especially if:

• You’re writing academic papers.
• Your audience expects strict grammar (e.g., editors, professors).
• You want to avoid debate or criticism.

Summary Table

Expression	Formal	Conversational	Safe for Academic
Comprises	✔️ Yes	✖️ Rare	✔️ Yes
Is composed of	✔️ Yes	✔️ Yes	✔️ Yes
Is made up of	✖️ Informal	✔️ Yes	✖️ Usually
Is comprised of	✖️ Controversial	✔️ Often	✖️ Avoid

Practical Writing Guidance

Here’s how to revise sentences that use “comprised of” when you want to improve clarity or professionalism.

Before and After

Original	Revised
“The plan is comprised of three stages.”	“The plan comprises three stages.”
“The collection is comprised of rare artifacts.”	“The collection is composed of rare artifacts.”
“Her duties are comprised of writing and editing.”	“Her duties include writing and editing.”

Quick Editing Tips

• If you see “is comprised of,” ask: Can I use “comprises” instead?
• If the whole sounds awkward with “comprises,” use “is composed of.”
• For a more conversational tone, choose “is made up of.”

Mini Checklist for Editors

Before publishing, ask:

• Does the sentence feel clunky?
• Is the usage appropriate for my audience?
• Will someone knowledgeable notice or object?

If the answer to any of these is yes, revise.

Future of “Comprised Of” in English

Language changes as people use it. Plenty of expressions once frowned upon are now standard.

Examples of Evolving Usage

Phrase	Past View	Today
“Hopefully” used as a sentence adverb	Disapproved	Standard
“Begs the question” used for assumptions	Incorrect	Widely accepted
“Comprised of”	Traditional no	Common in many styles

Usage trends suggest:

• “Comprised of” will continue to appear widely.
• Traditionalists will still flag it in formal writing.
• Many publications will treat it like any other phrase.

In other words: Language doesn’t stay static — and neither does usage.

Conclusion

Using “comprised of” is common in both writing and speaking, but many experts consider it redundant because comprise already means to include or contain. Choosing between “comprised of” and “composed of” depends on your audience and the formality of your English.

Being aware of the small difference can make your writing and speech more accurate, polished, and intelligent, while respecting traditional rules and the flexibility of evolving language.

FAQs

1. Is “comprised of” grammatically correct?

While widely used, many grammar experts argue it is redundant. The term comprise already implies inclusion, so “composed of” is often preferred.

2. Can I use “comprised of” in formal writing?

Yes, but it’s better to use “composed of” in formal reports, essays, and professional documents to avoid doubt about correctness.

3. What is the difference between “comprised of” and “composed of”?

“Composed of” clearly states the parts of something, while “comprised of” is considered redundant, even though it’s commonly spoken and written.

4. How can I remember which one to use?

Think of comprise as including all parts. If you’re unsure, using “composed of” is safe, accurate, and intelligent.

5. Does using “comprised of” make me sound unprofessional?

Not necessarily, but in serious discussions, reports, or essays, choosing “composed of” is better to maintain polished, formal English.