The phrase ‘kind of’ is a common and versatile expression in English that can function as a noun phrase meaning “a type of” or as a softener meaning “somewhat” or “a little.” To use it correctly, you need to understand its two main roles: as a precise classifier (e.g., “What kind of music do you like?”) and as a vague qualifier used in informal speech to reduce the force of a statement (e.g., “I’m kind of tired”). This guide will help you master both uses with clear examples and practical advice.
Quick Answer: How to Use ‘kind of’
Use ‘kind of’ in two ways:
- As a noun phrase (meaning “type of”): Follow it with a noun. Example: “She bought a new kind of coffee.” This is correct in formal and informal English.
- As an adverb (meaning “somewhat”): Place it before an adjective or verb. Example: “I feel kind of nervous.” This is informal and best for conversation or casual writing.
In formal writing, avoid the adverbial use and choose a more precise word like “somewhat” or “rather.”
Understanding the Two Main Uses
The phrase ‘kind of’ has two distinct functions. Recognizing which one you need is the first step to using it naturally.
1. ‘Kind of’ as a Noun Phrase (A Type of Something)
This is the original and most formal use. Here, ‘kind of’ is followed by a noun (or a noun phrase) and means “a category” or “a variety.” You can often replace it with “type of” or “sort of.”
- “What kind of book are you reading?”
- “This is a new kind of technology.”
- “I prefer that kind of pasta.”
In this form, ‘kind of’ is perfectly acceptable in all contexts, from academic papers to casual chats.
2. ‘Kind of’ as an Adverb (A Softener or Hedge)
This is the informal, conversational use. Here, ‘kind of’ acts like an adverb meaning “to some extent,” “a little,” or “not exactly.” It softens the statement and makes it sound less direct or absolute.
- “I’m kind of busy right now.” (Meaning: I am somewhat busy.)
- “That movie was kind of boring.” (Meaning: It was a little boring.)
- “She kind of likes him.” (Meaning: She has some feelings, but not strong ones.)
This use is very common in everyday English but is considered too vague for formal writing, such as business reports or academic essays.
Comparison Table: Noun Phrase vs. Adverb
| Feature | Noun Phrase (Type of) | Adverb (Somewhat) |
|---|---|---|
| Meaning | A category or variety | To a small degree; a little |
| Grammar | Followed by a noun (e.g., “kind of car”) | Before an adjective or verb (e.g., “kind of strange”) |
| Formality | Formal and informal | Informal only |
| Example | “That is a rare kind of bird.” | “I feel kind of cold.” |
| Replace with | “type of,” “sort of” | “somewhat,” “rather,” “a bit” |
Natural Examples in Context
Seeing ‘kind of’ in real sentences helps you understand its tone and placement. Below are examples from different situations.
In Everyday Conversation
- “I’m kind of hoping it rains tomorrow so we can cancel the picnic.”
- “He’s not angry, just kind of disappointed.”
- “What kind of phone do you have?”
In Email and Writing
- Informal email to a colleague: “I’m kind of stuck on this report. Can you help?”
- Formal email: “I am somewhat concerned about the deadline.” (Avoid ‘kind of’ here.)
- Simple sentence example: “She enjoys that kind of music.”
In Describing Feelings and Opinions
- “I kind of agree with you, but not completely.”
- “This soup tastes kind of salty.”
- “It’s a strange kind of feeling.”
Common Mistakes with ‘kind of’
Even advanced learners make errors with this phrase. Here are the most frequent problems and how to fix them.
Mistake 1: Using ‘kind of’ with a Plural Noun Incorrectly
Incorrect: “I like these kind of movies.”
Correct: “I like this kind of movie.” or “I like these kinds of movies.”
Rule: When ‘kind’ is singular, the noun that follows should also be singular. When ‘kind’ is plural (‘kinds’), the noun can be plural.
Mistake 2: Overusing ‘kind of’ as a Filler Word
Problem: “I kind of think we should kind of leave now.”
Better: “I think we should leave now.”
Using ‘kind of’ too often makes your speech sound uncertain and weak. Use it only when you genuinely want to soften a statement.
Mistake 3: Using the Adverbial ‘kind of’ in Formal Writing
Incorrect (in a report): “The results were kind of surprising.”
Correct (in a report): “The results were somewhat surprising.” or “The results were rather surprising.”
In formal contexts, replace ‘kind of’ with a more precise adverb.
Mistake 4: Confusing ‘kind of’ with ‘kinda’
‘Kinda’ is a casual contraction of ‘kind of’ used in very informal speech or text messages. Do not use it in any kind of formal writing or professional email. Example: “I’m kinda tired.” (Only for friends or social media.)
Better Alternatives to ‘kind of’
Depending on your context, you can replace ‘kind of’ with more specific words. This makes your English sound more precise and professional.
| Context | ‘Kind of’ Example | Better Alternative |
|---|---|---|
| Formal writing | “It was kind of difficult.” | “It was somewhat difficult.” or “It was rather difficult.” |
| Expressing a small degree | “I’m kind of hungry.” | “I’m a little hungry.” or “I’m slightly hungry.” |
| Showing uncertainty | “I kind of understand.” | “I partially understand.” or “I understand to some extent.” |
| Describing a type | “What kind of car?” | “What type of car?” or “What sort of car?” |
When to Use ‘kind of’ (and When Not To)
Use ‘kind of’ when you want to sound natural in conversation, soften a criticism, or express a vague feeling. Avoid it in academic papers, business proposals, official reports, or any situation where precision and formality are expected.
- Use it: In casual chats, friendly emails, social media posts, and storytelling.
- Avoid it: In job applications, formal letters, research papers, and professional presentations.
Mini Practice: Test Your Understanding
Try these four questions. The answers are below.
Question 1: Which sentence uses ‘kind of’ correctly as a noun phrase?
a) I’m kind of tired today.
b) What kind of food do you like?
c) She kind of smiled at me.
Question 2: Rewrite this sentence for a formal email: “The meeting was kind of long.”
Question 3: Is this sentence correct? “I enjoy these kind of games.”
Question 4: Fill in the blank: “He is ______ strange, but I like him.” (Use ‘kind of’ or a better alternative.)
Answers
Answer 1: b) “What kind of food do you like?” – Here, ‘kind of’ means “type of.”
Answer 2: “The meeting was somewhat long.” or “The meeting was rather long.”
Answer 3: No. It should be “this kind of game” or “these kinds of games.”
Answer 4: “He is kind of strange, but I like him.” (Informal) or “He is somewhat strange, but I like him.” (More formal).
Frequently Asked Questions (FAQ)
1. Is ‘kind of’ always informal?
No. When ‘kind of’ means “type of,” it is neutral and can be used in any context. Only the adverbial use (meaning “somewhat”) is informal.
2. Can I use ‘kind of’ with a verb?
Yes, in informal English. For example: “I kind of want to go.” This means “I want to go, but not strongly.”
3. What is the difference between ‘kind of’ and ‘sort of’?
They are almost identical in meaning and use. ‘Sort of’ is slightly more common in British English, while ‘kind of’ is very common in American English. Both can be used as noun phrases or adverbs.
4. How do I avoid overusing ‘kind of’?
Pause and ask yourself if you really need to soften your statement. If you are certain, remove ‘kind of.’ If you want to express a small degree, use a more specific word like “slightly,” “a bit,” or “partially.”
Final Tips for Learners
To use ‘kind of’ naturally, pay attention to the context. In a simple sentence example like “This is a new kind of software,” it is correct and clear. In a casual conversation like “I’m kind of busy,” it sounds friendly and natural. For more guidance on everyday usage, explore our Daily English Sentences section. If you are writing formally, check our Writing Sentence Examples for alternatives. To avoid common errors, visit our Common Usage Mistakes page. For any questions about this guide, please see our FAQ page.
Remember, mastering ‘kind of’ is about knowing when to be precise and when to be casual. Practice with the examples above, and soon you will use it with confidence.
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