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
in sync
Grammar usage guide and real-world examplesUSAGE SUMMARY
"in sync" is a perfectly valid phrase in written English, and it is commonly used to indicate that two or more people/things are in agreement in some sort of coordinated activity or effort.
For example, you could say, "The players kept their movements in sync as they played the song."
✓ Grammatically correct
News & Media
Sports
Relationships
Technology
Arts
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
59 human-written examples
"We're in sync.
News & Media
They're not in sync.
News & Media
We're totally in sync".
News & Media
In sync at last.
News & Media
"We found we were just in sync.
News & Media
"Notice how everything is in sync.
News & Media
He didn't appear in sync.
News & Media
They were completely in sync.
News & Media
And our goals are in sync.
News & Media
— might have tastes in sync with yours.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
In-Sync becomes their home for life.
News & Media
Expert writing Tips
Best practice
Use "in sync" to describe situations where elements are well-coordinated and working together effectively. For example, "The team's strategies were "in sync" with the company's goals."
Common error
Avoid using "in sync" to merely indicate that two objects are physically close to each other. "In sync" implies a functional or rhythmic coordination, not just spatial closeness.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "in sync" is as a prepositional phrase. It typically acts as an adjective, describing a state of coordination or agreement. Ludwig AI confirms its correct usage in numerous examples across diverse contexts.
Frequent in
News & Media
35%
Sports
20%
Formal & Business
15%
Less common in
Science
10%
Academia
10%
Reference
10%
Ludwig's WRAP-UP
In summary, the phrase "in sync" is a versatile and commonly used prepositional phrase that describes a state of harmonious coordination or agreement. Ludwig AI indicates that the phrase is grammatically correct and widely used across a variety of sources. It is particularly prevalent in News & Media and Sports contexts. While "in sync" is generally appropriate for most situations, remember that its core meaning revolves around coordinated activity, and it shouldn't be used to simply denote physical proximity. When seeking alternatives, consider options like "in agreement", "in harmony", or "on the same wavelength" to best fit the specific nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
on the same wavelength
Indicates a shared understanding or intuitive connection.
synchronized
Stresses a precise and timed coordination.
in unison
Implies simultaneous action or occurrence.
in agreement
Focuses on a state of accord or consensus.
coordinated
Focuses on the organized and efficient collaboration.
in step
Highlights coordinated movement or progress.
in harmony
Emphasizes a pleasant or aesthetically pleasing alignment.
aligned
Implies a structural or directional correspondence.
of one mind
Highlights a shared understanding or perspective.
compatible
Emphasizes the ability to coexist or function well together.
FAQs
How can I use "in sync" in a sentence?
You can use "in sync" to describe harmonious coordination or agreement, such as "The dancers were perfectly "synchronized", moving "in unison" and "in harmony" with the music".
What does it mean when things are "in sync"?
When things are "in sync", it means they are "aligned" and operating together harmoniously. This can refer to people, processes, or even abstract ideas.
What are some alternatives to saying "in sync"?
Alternatives include "in agreement", "in harmony", or "on the same wavelength", depending on the specific context.
Is "in sync" formal or informal language?
"In sync" is generally considered neutral and suitable for both formal and informal contexts, making it a versatile choice for various writing styles.
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested