Definition and meaning of English word "in"
in
/ɪn/
Meaning
PrepositionUsed to indicate location, inclusion, or position within spatial, temporal or abstract limits. Contained by; inside.
How to use
The preposition 'in' is commonly used to indicate location, inclusion, or position within spatial, temporal, or abstract limits. For example, 'The book is in the library' or 'I'm in a meeting.' However, be careful not to confuse 'in' with 'on,' which is used to indicate a surface or a point of contact. For instance, 'The book is on the table' or 'I'm on my way.'
🇬🇧 English
in
Example
The book is in the box.
I'm in the classroom.
Your personal vocabulary
🦊 Use this word in a live AI conversationCommon phrases
- in the middle of— in the middle of
- in the end— in the end
- in a nutshell— in a nutshell
This concept in other languages
Frequency rank: #272 in English
Learn them all! 🚀
Master the 1000 most common English words with smart explanations, audio pronunciation, and spaced repetition.
Start Learning For Free →No sign-up required
Frequently Asked Questions
What does the English word "in" mean?▼
The English word "in" means "in" in English.
How do you pronounce the English word "in"?▼
You can hear the correct audio pronunciation of the word "in" by clicking the play button next to the word at the top of this page.
Can I see an example sentence with "in"?▼
Yes, here is a practical example: "The book is in the box." (which translates as "in").
More Connectors & Prepositions words
Related reading
Duolingo vs Anki vs Apps: Comparing Language Learning Methods in 2026
An honest comparison of popular language learning approaches: gamified apps, SRS flashcards, textbooks, tutors, and immersion. Pros, cons, and who each is best for.
Read →MethodWhat Is Spaced Repetition? The SM-2 Algorithm Explained Simply
Spaced repetition is the single most effective method for memorizing vocabulary. Learn how the forgetting curve works, how the SM-2 algorithm calculates review intervals, and why 20 minutes a day beats 2 hours of cramming.
Read →