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Difference Between Someone and Somebody in English

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When Should You Use "Someone" vs "Somebody"?

Someone vs Somebody: Meaning, Differences, and Usage in English Understanding the small differences in English pronouns can help you sound more accurate in school exams, competitive tests, and everyday conversations. The topic "difference between someone and somebody" is important for students and English learners who want to master correct usage and avoid common mistakes.
Word Meaning Formality Typical Usage Example
Someone An unspecified person Slightly more formal Writing, polite requests, general reference Someone left their bag here.
Somebody An unspecified person More informal Casual conversation, informal writing Somebody called you earlier.

Difference between Someone and Somebody

The main difference between someone and somebody is formality. Both words mean the same and are indefinite pronouns for a person whose identity is not known. "Someone" is usually more common in formal writing and polite speech. "Somebody" is used more in everyday conversation and informal settings. In most situations, they can be used interchangeably.


What is "Someone" in English?

"Someone" is an indefinite pronoun that refers to a person you do not know or do not want to name. It is slightly more formal than "somebody" and fits well in official writing, classroom answers, and polite requests.


  • Someone knocked on the door.
  • I hope someone can help me with this project.
  • Is someone coming to the meeting?
  • Can someone explain this rule?

What is "Somebody" in English?

"Somebody" also means an unknown or unspecified person. It sounds warmer and more relaxed than "someone." "Somebody" is often heard in daily speech, conversations with friends, or in informal messages.


  • Somebody left their phone behind.
  • I think somebody is calling you.
  • Somebody must have seen the accident.
  • Tell somebody if you need help.

Key Differences: Someone vs Somebody

Aspect Someone Somebody
Formality Slightly more formal More informal
Usage Written English, polite speech Spoken English, friendly talk
Frequency Academic, professional writing Everyday conversation
Interchangeable? Yes, usually Yes, usually

When Can You Use Either "Someone" or "Somebody"?

You can use either word when you do not know who you are talking about, or when the identity does not matter. Both words make your sentence clear in exams, spoken English, and writing.

  • Someone/Somebody should answer the question.
  • Someone/Somebody called while you were away.
  • Is there someone/somebody who can help me?

Common Mistakes with Someone and Somebody

  • Believing they are not interchangeable in regular sentences (they usually are).
  • Using "somebody" in very formal academic writing; "someone" is often better for exams or official letters.
  • Forgetting both words take singular verbs: Someone is late, Somebody wants to talk.
  • Mixing up "someone/somebody" with "anyone/anybody" (which means ‘any person’ instead of ‘a particular but unknown person’).

Practice Sentences: Someone vs Somebody

  • ______ left the lights on. (Answer: Someone/Somebody)
  • If ______ has a pen, please lend it to me. (Answer: Someone/Somebody)
  • Can ______ open the window? (Answer: Someone/Somebody)
  • I heard ______ singing in the next room. (Answer: Someone/Somebody)

Try filling in the blanks above to check your understanding!


Exam Relevance & Tips

  • In formal answers or essays, prefer "someone."
  • For diary entries, letters to friends, or emails, "somebody" sounds natural.
  • Remember both words refer to one person and only use singular verbs.
  • For spoken English, both are correct; choose by comfort or flow.

At Vedantu, our expert English teachers guide you on these small grammar points to boost your exam scores and everyday fluency. Practice more pronoun questions at our Pronoun Exercises page.


Related Pronoun Topics on Vedantu


To sum up, "someone" and "somebody" have almost the same meaning and can be used for an unknown person. Use "someone" for a more formal tone and "somebody" for informal talk. Learning these differences helps in exams, writing, and real conversations. Keep practicing to master indefinite pronouns!

FAQs on Difference Between Someone and Somebody in English

1. What is the difference between "someone" and "somebody" in English?

Both someone and somebody are indefinite pronouns referring to a person, but there's a subtle difference. Someone is generally considered slightly more formal and frequently used in writing, while somebody is often preferred in informal speech and conversation.

2. Can you use "someone" and "somebody" interchangeably?

In many cases, yes, you can use someone and somebody interchangeably without changing the meaning significantly. However, in formal writing, someone is generally the preferred choice. The choice often comes down to personal style and context.

3. Is "someone" more formal than "somebody"?

Yes, someone tends to be perceived as slightly more formal than somebody. While the difference is subtle, someone is often preferred in formal writing, while somebody is more common in spoken English and informal contexts.

4. Are there any grammar rules for using "someone" or "somebody"?

There aren't strict grammar rules dictating when to use someone vs. somebody. The key is to consider the context—formal vs. informal. In formal writing, someone is often safer, but in casual speech, somebody is perfectly acceptable. Both are considered grammatically correct.

5. Can I use "somebody" in formal writing?

While someone is generally preferred in formal writing, using somebody isn't necessarily grammatically incorrect. However, it might sound slightly less formal, so using someone is often a safer option for maintaining a professional tone in formal documents.

6. Which word should I use in emails or messages?

The best choice depends on the formality of your email or message. For professional emails, someone is a better choice. For casual messages to friends, either someone or somebody is acceptable.

7. When can I use someone and somebody?

You can use someone and somebody interchangeably in most informal settings. However, someone is usually preferred in formal writing. Both are indefinite pronouns and refer to an unspecified person.

8. Which one is correct, someone or somebody?

Both someone and somebody are correct, but the choice depends on context and formality. Someone is generally considered more formal, while somebody is more common in spoken English and informal settings. There's no grammatical error in choosing either.

9. Can I use somebody instead of someone?

Generally, yes, in informal contexts, somebody can replace someone without significantly changing the meaning. But in formal writing, it's preferable to use someone.

10. What is the meaning of someone and somebody?

Both someone and somebody mean an unspecified person. They are indefinite pronouns. The nuance lies in their level of formality: someone is generally more formal, while somebody is more informal.

11. What is the difference between somebody and someone else?

Somebody refers to any unspecified person. Someone else specifies a different person from one already mentioned. For example, "Somebody ate my sandwich!" vs. "If John doesn't do it, someone else will."