If you want to write more naturally in English, learning how to use ‘kind of’ is essential. This short phrase does more than you might think. It can soften a statement, show hesitation, express a moderate opinion, or describe a category. In this guide, you will learn exactly how to use ‘kind of’ in sentences for better writing, whether you are composing an email, writing a report, or having a casual conversation. We will cover the meaning, tone, common mistakes, and practical examples so you can use this phrase with confidence.
Quick Answer: What Does ‘Kind of’ Mean?
‘Kind of’ has two main uses in English. First, it can mean ‘a type of’ or ‘a sort of’. For example: “A penguin is a kind of bird.” Second, and more commonly in everyday speech and informal writing, it acts as a softener or hedge word. It means ‘somewhat’, ‘a little’, or ‘to some extent’. For example: “I am kind of tired.” It makes your statement less direct and more polite. In writing, use it carefully. It works well in personal emails, blog posts, and friendly messages, but it is usually too casual for formal reports or academic papers.
Understanding the Two Main Uses of ‘Kind of’
1. ‘Kind of’ as ‘A Type of’
This is the original, literal meaning. You use it to put something into a category. It is neutral in tone and can be used in both formal and informal writing.
- “A smartphone is a kind of computer.”
- “This is a new kind of software for designers.”
- “She invented a kind of machine that cleans water.”
In these sentences, ‘kind of’ simply explains what group something belongs to. There is no hesitation or softening.
2. ‘Kind of’ as a Softener (Hedge Word)
This is the more common use in daily English. It makes your statement less absolute. It is informal and best for conversation, personal writing, and casual emails.
- “I kind of like the new design.” (I like it, but not completely.)
- “He was kind of upset about the news.” (He was a little upset.)
- “This is kind of difficult to explain.” (It is somewhat difficult.)
Using ‘kind of’ in this way shows that you are not 100% sure or that you want to be polite. It can also make you sound more natural and friendly.
Formal vs. Informal Tone: When to Use ‘Kind of’
Knowing when to use ‘kind of’ is important for good writing. The table below shows the difference.
| Context | Example with ‘Kind of’ | Example without ‘Kind of’ (More Formal) | Best Use |
|---|---|---|---|
| Casual email to a friend | “I am kind of busy this weekend.” | “I am busy this weekend.” | Use ‘kind of’ to sound friendly and less direct. |
| Business email to a colleague | “The report is kind of late.” | “The report is late.” | Avoid ‘kind of’. It sounds unsure. Use a direct but polite tone. |
| Conversation with a classmate | “This homework is kind of hard.” | “This homework is hard.” | Use ‘kind of’ to show you are not complaining strongly. |
| Academic essay | “The results were kind of surprising.” | “The results were somewhat surprising.” | Avoid ‘kind of’. Use ‘somewhat’ or ‘to some extent’ instead. |
| Writing a story or blog | “She felt kind of lost in the city.” | “She felt lost in the city.” | Use ‘kind of’ to create a natural, conversational voice. |
Key point: In formal writing, replace ‘kind of’ with words like somewhat, rather, slightly, or to a degree. In informal writing and speech, ‘kind of’ is perfectly fine and often preferred.
Natural Examples of ‘Kind of’ in Sentences
Here are 10 natural sentences that show how native speakers use ‘kind of’ in different situations.
- “I am kind of hoping the meeting gets cancelled.” (Shows a wish, not a demand.)
- “This coffee is kind of cold. Can I heat it up?” (A polite complaint.)
- “She is kind of shy when you first meet her.” (Describes a personality trait softly.)
- “We are kind of running out of time.” (A gentle warning.)
- “He kind of forgot to send the email.” (A soft way to say he forgot.)
- “That movie was kind of boring, don’t you think?” (Asking for agreement politely.)
- “I kind of understand what you mean.” (Shows partial understanding.)
- “This is a kind of pasta that is popular in Italy.” (Literal meaning: a type of pasta.)
- “She gave me a kind of look that I did not understand.” (Describes a specific expression.)
- “We need a kind of tool that can cut metal.” (Literal meaning: a type of tool.)
Common Mistakes with ‘Kind of’
Even advanced learners make mistakes with this phrase. Here are the most common errors and how to fix them.
Mistake 1: Using ‘Kind of’ in Formal Writing
Incorrect: “The data is kind of incomplete.”
Correct: “The data is somewhat incomplete.” or “The data is not fully complete.”
Mistake 2: Confusing ‘Kind of’ with ‘Kinda’
‘Kinda’ is a very informal contraction of ‘kind of’. Only use it in text messages or very casual notes. Do not use it in emails or any writing for work or school.
Incorrect in email: “I am kinda busy.”
Correct in email: “I am kind of busy.” or “I am a bit busy.”
Mistake 3: Using ‘Kind of’ with a Negative Too Often
Sometimes ‘kind of’ can sound weak or unsure when used with negatives. It is better to be direct.
Weak: “I kind of don’t like this idea.”
Better: “I am not sure about this idea.” or “I have some doubts about this idea.”
Mistake 4: Forgetting the ‘A’ When Using the Literal Meaning
When ‘kind of’ means ‘a type of’, you usually need the article ‘a’ before it.
Incorrect: “This is kind of flower.”
Correct: “This is a kind of flower.”
Better Alternatives to ‘Kind of’
If you want to vary your writing or sound more formal, here are good alternatives. Each has a slightly different nuance.
- Somewhat – Best for formal writing. Example: “The results were somewhat unexpected.”
- Rather – Slightly stronger than ‘somewhat’. Example: “It is rather cold today.”
- Slightly – Emphasizes a small degree. Example: “I am slightly annoyed.”
- A bit – Informal, similar to ‘kind of’. Example: “I am a bit tired.”
- To some extent – Formal and precise. Example: “To some extent, I agree with you.”
- Sort of – Very similar to ‘kind of’, also informal. Example: “I sort of expected that.”
When to Use Each Alternative
- Use somewhat or to some extent in academic or business writing.
- Use a bit or sort of in casual conversation and personal emails.
- Use rather when you want to sound a little more formal but still natural.
- Use slightly when the degree is very small.
Mini Practice: Test Your Understanding
Try these 4 questions. Choose the best option for each sentence.
Question 1: Which sentence is best for a formal report?
A) The project is kind of behind schedule.
B) The project is somewhat behind schedule.
C) The project is kinda behind schedule.
Answer: B) “The project is somewhat behind schedule.” This is formal and clear.
Question 2: Which sentence uses ‘kind of’ correctly as a softener?
A) “A dolphin is a kind of mammal.”
B) “I am kind of hungry right now.”
C) “She bought a kind of dress.”
Answer: B) “I am kind of hungry right now.” This shows a moderate feeling. A and C use the literal meaning.
Question 3: How can you make this sentence more formal? “He was kind of upset.”
A) He was kinda upset.
B) He was somewhat upset.
C) He was kind of upset still.
Answer: B) “He was somewhat upset.” This is a formal alternative.
Question 4: Which sentence is correct?
A) “This is kind of new software.”
B) “This is a kind of new software.”
C) “This is kind of a new software.”
Answer: B) “This is a kind of new software.” When using the literal meaning, you need the article ‘a’.
Frequently Asked Questions (FAQ)
1. Is ‘kind of’ grammatically correct?
Yes, ‘kind of’ is grammatically correct in both its literal meaning (a type of) and as a softener. However, it is considered informal when used as a softener. Use it in casual and semi-formal contexts, but avoid it in very formal writing.
2. What is the difference between ‘kind of’ and ‘sort of’?
There is almost no difference. Both mean the same thing and are used in the same way. ‘Sort of’ might be slightly more common in British English, but both are used everywhere. You can use them interchangeably.
3. Can I start a sentence with ‘kind of’?
It is possible, but it is very informal. For example: “Kind of makes sense, right?” This is common in speech but not in writing. In written English, it is better to start with the subject: “It kind of makes sense.”
4. How do I know if I am using ‘kind of’ too much?
If you use ‘kind of’ more than once or twice in a short piece of writing, it can make you sound unsure or weak. Read your sentence aloud. If you can remove ‘kind of’ and the meaning stays clear, consider removing it. Save ‘kind of’ for when you truly want to soften a statement.
Final Tips for Using ‘Kind of’ in Your Writing
To use ‘kind of’ well, remember these three rules. First, know your audience. Use it with friends, in personal blogs, and in casual emails. Avoid it in cover letters, academic papers, and official reports. Second, do not overuse it. Using ‘kind of’ too often makes your writing sound hesitant. Third, when you use the literal meaning (‘a kind of’), always include the article ‘a’ unless the noun is uncountable. For example: “It is a kind of metal” (countable) but “It is kind of metal” (uncountable, meaning a type of metal material). Practice with the examples above, and soon you will use ‘kind of’ naturally and correctly.
For more help with everyday English, explore our Daily English Sentences section. If you want to avoid common errors, check our Common Usage Mistakes guides. You can also learn more about our approach on our About Us page. If you have questions, visit our FAQ or contact us directly.
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