Its Self or Itself? Understanding the Correct Usage

If you have ever paused mid sentence wondering whether to write “its self” or “itself,” you are not alone. This small grammar puzzle trips up native speakers and learners alike. The good news is that once you understand the rule behind it, you will never second guess yourself again.

In this guide, we will break down the difference between its self or itself, explain reflexive pronouns in plain English, and show you exactly when each form belongs in your writing. By the end, you will have a clear mental rule you can apply instantly, whether you are writing an email, an essay, or a blog post.

Why This Tiny Difference Matters

A single space can completely change how a sentence reads. The question of its self or itself might look minor, but it affects clarity, professionalism, and even how readers perceive your writing skills.

Here is why it matters:

• Readers notice small grammar errors, even if they cannot explain the rule themselves
• Professional documents, resumes, and emails lose credibility with avoidable mistakes
• Search engines and editors flag inconsistent grammar in published content
• Confusing its self or itself with similar terms like its and it’s compounds the problem

Most of the time, writers reach for “its self” because it feels logical: “its” shows possession, and “self” feels like a separate noun. But English grammar does not work that way here. Understanding why will save you from repeating this mistake.

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Understanding Reflexive Pronouns in English

Before tackling its self or itself directly, it helps to understand reflexive pronouns as a category.

Reflexive pronouns are words that refer back to the subject of a sentence. They show that the subject and the object of an action are the same person or thing. In English, reflexive pronouns are formed by adding “-self” or “-selves” to a possessive or personal pronoun.

The full list looks like this:

• Myself
• Yourself
• Himself
• Herself
• Itself
• Ourselves
• Yourselves
• Themselves

Notice the pattern. Each one is written as a single word. There is no “my self,” “your self,” or “him self” in standard grammar (with rare exceptions in older or poetic English). The same rule applies to “itself.” It is one unified word, not two separate ones.

Reflexive pronouns serve two main purposes:

1. They show that an action loops back to its source, such as “The dog hurt itself.”
2. They add emphasis, such as “The system itself caused the delay.”

Once you accept that reflexive pronouns are single words by design, the its self or itself debate becomes much easier to resolve.

What “Itself” Really Means — The Standard and Correct Form

“Itself” is the reflexive and emphatic pronoun used for things, animals, ideas, or anything that is not referred to with “he,” “she,” or a person’s name. It is formed by combining “it” with “self,” and like other reflexive pronouns, it is always written as one word.

“Itself” does two jobs:

• Reflexive use: shows the subject acting on itself
• Emphatic use: adds emphasis to a noun already mentioned

Here are some natural examples:

• The cat groomed itself after eating.
• The machine shuts itself off after ten minutes of inactivity.
• The company prides itself on quality service.
• The building itself is over a hundred years old.
• Nature has a way of healing itself over time.

In every one of these sentences, “itself” is grammatically correct and standard. If you are writing for school, work, business communication, or everyday conversation, “itself” is almost always the answer to the its self or itself question.

Every major style guide, from Merriam-Webster to the Chicago Manual of Style, treats “itself” as the only standard reflexive form for non-human subjects. There is no ambiguity here for everyday writing.

When “Its Self” Appears — Rare but Contextual

So why does “its self” exist at all? The phrase is not entirely invented. It shows up occasionally, but only in very specific situations where “self” is being used as an independent noun meaning identity, consciousness, or inner being, rather than as part of a reflexive pronoun.

In this rare context, “its” functions as a possessive adjective (like “its tail” or “its color”), and “self” is treated as a standalone noun describing essence or identity. This usage is mostly found in philosophy, psychology, literature, and abstract discussions about consciousness or identity.

Examples:

• The creature became aware of its self for the first time.
• The organization seemed to lose its self during the merger.
• The AI reflects on its self and its place in the world.

In each case, “self” refers to an inner identity or sense of being, not a grammatical reflexive action. This is a niche usage and should not be confused with everyday reflexive grammar.

Where You Might See It

You are most likely to encounter “its self” in:

• Philosophical essays discussing identity and consciousness
• Psychology texts exploring the concept of “the self”
• Literary or poetic writing where authors bend grammar for effect
• Academic discussions about artificial intelligence and self awareness

Outside of these specialized contexts, “its self” is considered a grammar mistake. If you are writing a business email, school assignment, or general blog post, stick with “itself.”

The Difference Between “Its,” “It’s,” and “Itself”

The its self or itself confusion often gets tangled up with another common error: mixing up “its” and “it’s.” Let’s separate all three clearly.

Word	Function	Example
Its	Possessive adjective showing ownership	The dog wagged its tail.
It’s	Contraction of “it is” or “it has”	It’s raining outside.
Itself	Reflexive or emphatic pronoun	The dog hurt itself.

A simple trick: if you can replace the word with “it is” or “it has” and the sentence still makes sense, use “it’s.” If you are showing ownership without an apostrophe, use “its.” And if the subject is acting on itself or you want to add emphasis, use “itself.”

Mixing these three up is one of the most frequent grammar errors in English, and it directly feeds into the its self or itself confusion, since writers sometimes blend the possessive “its” with the noun “self” without realizing the reflexive pronoun already exists as one word.

How to Test Whether “Itself” or “Its Self” Is Correct

Here is a quick, practical test you can run on any sentence:

1. Read the sentence aloud and listen for natural flow. “Itself” almost always sounds smoother in everyday writing.
2. Ask whether the sentence describes an action looping back to the subject, or adds emphasis. If yes, use “itself.”
3. Ask whether “self” is being used as a noun meaning identity, consciousness, or inner being. If yes, and the context is philosophical or abstract, “its self” might apply.
4. Try removing “self” entirely and see if “its” alone makes sense as possession. If it does, and you separately need the word “self” as a noun, you may be in the rare “its self” territory.
5. When in doubt, default to “itself.” It is correct in the vast majority of real-world writing situations.

This simple checklist resolves the its self or itself debate in seconds for almost any sentence you write.

Case Study: Modern vs. Philosophical Usage

To understand how its self or itself plays out in real writing, compare these two sentences:

• Modern, standard usage: “The robot repaired itself after the malfunction.”
• Philosophical, abstract usage: “The robot seemed to develop its self through years of learning.”

In the first sentence, “itself” is a reflexive pronoun describing an action the robot performed on itself. This is standard grammar used in technical writing, news articles, and everyday speech.

In the second sentence, “its self” refers to the robot’s emerging identity or consciousness, treating “self” as a noun. This usage is far less common and appears mainly in discussions about artificial intelligence, philosophy, or psychology.

Observation

The deciding factor is always meaning, not personal preference. Ask yourself: is this sentence about an action (use “itself”) or about identity and inner being treated as a noun (possibly “its self”)? In the overwhelming majority of cases, especially in business, academic, and casual writing, “itself” is the correct and expected form.

Common Mistakes and How to Avoid Them

Let’s look at the most frequent errors related to its self or itself, and how to fix each one.

Mistake 1: Using “It’s” When You Mean “Its”

This is a classic apostrophe error. “It’s” means “it is” or “it has.” “Its” shows possession.

• Incorrect: The company updated it’s policy.
• Correct: The company updated its policy.

Fix: Mentally expand “it’s” to “it is.” If the sentence no longer makes sense, you need “its” instead.

Mistake 2: Writing “Its Self” Instead of “Itself”

This is the heart of the its self or itself issue. Writers often split the word because “its” looks like it needs its own noun.

• Incorrect: The system rebooted its self automatically.
• Correct: The system rebooted itself automatically.

Fix: Unless you are specifically discussing identity or consciousness in an abstract or philosophical sense, always write “itself” as one word.

Mistake 3: Overusing Reflexive Pronouns

Sometimes writers add “itself” or other reflexive pronouns where they are not needed, making sentences clunky.

• Awkward: The report itself explained itself clearly.
• Better: The report explained its findings clearly.

Fix: Use reflexive pronouns only when they add necessary meaning or emphasis. If removing the word does not change the meaning, consider cutting it.

Mistake 4: Confusing Reflexive and Emphatic Use

Reflexive pronouns describe an action returning to the subject. Emphatic pronouns add stress to a noun already mentioned. Confusing the two can make sentences unclear.

• Reflexive: The machine cleaned itself.
• Emphatic: The machine itself was the problem, not the operator.

Fix: Identify whether you are describing an action or adding emphasis, then place “itself” accordingly for clarity.

Real-Life Applications: When You’ll Actually Use “Itself”

Understanding its self or itself is not just an academic exercise. The word “itself” appears constantly across different types of writing.

1. Academic Writing

Research papers, essays, and reports frequently use “itself” to describe processes, systems, or concepts acting independently.

Example: “The experiment itself revealed unexpected results, though the methodology needed refinement.”

2. Everyday Conversation

In casual speech, “itself” adds emphasis or describes simple actions.

Example: “The door locks itself after a few seconds.”

3. Business and Marketing

Companies often use “itself” to highlight product features or brand identity.

Example: “The software itself is intuitive, even for first-time users.”

4. Technology

Tech writing frequently describes systems, devices, and software performing actions on themselves.

Example: “The app updates itself in the background without interrupting your work.”

Across all these contexts, “itself” is the expected and correct choice. The its self or itself question rarely arises outside of specialized philosophical writing.

Language Fact: Historical Evolution

The structure of “itself” has roots in Old English, where similar constructions combined a pronoun with “self” as separate words. Over centuries, through a process linguists call lexical fusion, these separate words merged into single compound words for simplicity and clarity.

This is the same process that gave us “myself,” “himself,” and “herself.” The space disappeared, and the reflexive pronoun became a fixed, single unit. So while “its self” might look like an older form, modern English settled firmly on “itself” as the standard centuries ago for reflexive and emphatic purposes.

Understanding this history helps explain why “its self” feels oddly familiar even though it is rarely correct today. Our brains sometimes default to older or more “logical-looking” patterns, even after language has moved on.

Common Misconceptions

Let’s clear up a few myths surrounding its self or itself:

• Myth: “Its self” is simply an older spelling of “itself.” Reality: while reflexive pronouns historically existed as separate words, “its self” with this specific spelling and possessive structure is not a direct historical predecessor of “itself.”
• Myth: Both forms are interchangeable in formal writing. Reality: only “itself” is accepted in formal, academic, and professional English outside of niche philosophical contexts.
• Myth: If a sentence sounds emphatic, “its self” must be correct. Reality: emphasis is one of the main jobs of “itself,” not “its self.”
• Myth: Grammar checkers always catch this error. Reality: some tools miss subtle cases, especially when “its self” appears in abstract or philosophical writing where it may technically fit.

Quick Grammar Reference Table

Use this table as a fast reference whenever you are unsure about its self or itself.

Situation	Correct Form	Example
Subject acts on itself	Itself	The cat washed itself.
Adding emphasis to a noun	Itself	The city itself was stunning.
Possession (ownership)	Its	The car lost its shine.
Contraction of “it is” or “it has”	It’s	It’s been a long day.
Identity or consciousness as a noun (rare, abstract)	Its self	The system became aware of its self.

Bookmark this table for quick checks whenever the its self or itself question comes up in your writing.

Practical Writing Tips

To make sure you always choose correctly between its self or itself, keep these tips in mind:

• Default to “itself” in almost all everyday, academic, and professional writing
• Reserve “its self” only for abstract discussions about identity, consciousness, or inner being
• Always double check “its” versus “it’s” separately, since this error often travels alongside the its self or itself mistake
• Read sentences aloud before finalizing them; awkward phrasing often signals an error
• When editing, search your document for “its self” and verify each instance is intentional and contextually justified
• Remember that reflexive pronouns in English are single words by design, including “itself”

With these tips, the its self or itself dilemma becomes a non-issue. You will write with more confidence and present a polished, professional tone in everything you create.

Conclusion

The its self or itself question boils down to one simple rule: “itself” is the standard, correct reflexive and emphatic pronoun used in everyday English, while “its self” is a rare, specialized phrase reserved for philosophical or abstract discussions about identity and consciousness.

For nearly everything you write, whether it is an email, a school paper, a blog post, or a business report, “itself” is the form you want. Keep the quick reference table handy, run the simple test whenever you are unsure, and you will never have to second guess yourself on its self or itself again. Clear grammar builds reader trust, and now you have the tools to get it right every time.