Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
turn in
Grammar usage guide and real-world examplesUSAGE SUMMARY
"turn in" is correct and usable in written English.
It is usually used to mean to submit something (like an assignment, application, or paperwork) to someone. Example: I need to turn in my project tomorrow.
✓ Grammatically correct
Academia
News & Media
Wiki
Alternative expressions(20)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
58 human-written examples
Turn in your jersey.
News & Media
First to turn in.
Reaches Turn in 39.
News & Media
We turn in early.
News & Media
Turn in his grave?
News & Media
"I'll turn in the records," he said.
News & Media
(Cinnabon gets its turn in Episode 2).
News & Media
The wind-turbines turn in the breeze.
News & Media
Why the wrong turn in policy?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Corner turn-in tongues.
Academia
I'm looking at turn-in rates.
Expert writing Tips
Best practice
When using "turn in" to mean submitting something, ensure the context clearly indicates what is being submitted and to whom.
Common error
Avoid using "turn in" interchangeably with phrasal verbs like "turn on" or "turn off", which have completely different meanings related to activation and deactivation, not submission or reporting.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrasal verb "turn in" functions primarily as a transitive verb, requiring an object (something or someone being turned in). It has multiple meanings including to submit something, to report someone to the authorities, or to retire to bed. As Ludwig AI confirms, it's correct and usable in written English.
Frequent in
Academia
33%
News & Media
33%
Wiki
17%
Less common in
Science
5%
Formal & Business
5%
Reference
2%
Ludwig's WRAP-UP
In summary, "turn in" is a versatile phrasal verb with multiple meanings: submitting something, reporting someone, or going to bed. Ludwig AI confirms its correctness and usability. Its neutral register and widespread use across various contexts, including academia, news media, and informal conversations, make it a common and valuable part of the English lexicon. Remember to choose the right synonym, like "submit" or ""go to bed"", based on your intended meaning for the reader.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Hand in
This phrase is a direct synonym, emphasizing the act of physically giving something.
Submit
This alternative offers a more formal way of expressing the act of handing something in.
Give oneself up
Specifically refers to surrendering oneself to law enforcement.
Go to bed
Specifically refers to the action of retiring for sleep.
Report to the authorities
Specifically refers to informing law enforcement about someone's actions.
Deliver
Highlights the act of conveying something to a specific location or person.
Retire for the night
A more formal way of saying 'go to bed'.
Report
Focuses on conveying information or denouncing someone to authorities.
Surrender
Implies giving up something, often under duress or unwillingly.
Give up
Similar to 'surrender,' but can also mean ceasing effort.
FAQs
How to use "turn in" in a sentence?
What can I say instead of "turn in"?
What is the difference between "turn in" and "hand in"?
Is it correct to say "turn in myself"?
No, it's more common and grammatically correct to say "turn myself in". This phrase means to surrender to the authorities.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested