Resync or re-sync is a common spelling question in modern English, especially in technology, software, devices, and digital communication. People often wonder whether the word should be written as one word or with a hyphen. Both forms can appear in real-world usage, but their correctness depends on style preferences, context, and the writing standard being followed. In this guide, you will learn the meaning of resync and re-sync, the grammar rules behind compound words with prefixes, when to use each form, common mistakes, and practical examples to help you choose the right spelling confidently.
(Quick Answer) Resync or Re-Sync:
Resync and re-sync both refer to synchronizing something again after a previous synchronization has failed, changed, or become outdated. “Resync” is the more common modern spelling, especially in technology and software contexts. “Re-sync” is also acceptable when writers want to clearly show the prefix “re-” meaning “again.”
Comparison Table: Resync or Re-Sync
| Category | Resync | Re-Sync |
| Correct Word | Yes | Yes |
| Meaning | To synchronize again | To synchronize again |
| Definition | The process of making data, devices, or systems synchronized again | The act of syncing something again after interruption or change |
| Part of Speech | Verb, sometimes noun | Verb, sometimes noun |
| Grammar Rule | Prefix “re-” is often combined with words over time | Hyphen used to make the prefix clearer |
| Correct Usage | Common in software, apps, and technical writing | Used when emphasizing the repeated action |
| Incorrect Usage | Not incorrect | Not incorrect |
| Pronunciation | ree-sync | ree-sync |
| Common Mistake | Thinking it must always have a hyphen | Thinking the hyphen is always required |
| Memory Tip | Modern technology usually prefers one word | Use the hyphen when clarity is important |
| Example | “Try to resync your account.” | “You may need to re-sync the device.” |
Meaning of Resync and Re-Sync
What Does Resync Mean?

Resync is a verb that means to synchronize something again. It is formed from the prefix re-, meaning “again,” and the word sync, which is a shortened form of synchronize.
In modern English, especially in technology, resync is the preferred spelling because many words beginning with “re-” become closed compounds over time.
For example:
- resync a phone
- resync an account
- resync cloud data
- resync a controller
- resync files
The word is commonly used when a connection, system, or data set loses synchronization and needs to match again.
Examples of Resync in Sentences
- I had to resync my wireless headphones after they disconnected.
- The application will automatically resync your saved information.
- Please resync the device before trying the update again.
- The technician asked me to resync the database.
- Your calendar may need to resync after changing settings.
What Does Re-Sync Mean?
Re-sync has the same meaning as resync. The hyphen separates the prefix re- from the word sync, making the meaning visually clearer.
Writers sometimes use re-sync when they want readers to immediately understand that something is being synchronized again.
For example:
- The user must re-sync the watch after replacing the battery.
- The system may need to re-sync after a network failure.
Although re-sync is understandable and grammatically acceptable, many modern style guides prefer removing the hyphen when the meaning is clear.
Pronunciation of Resync and Re-Sync
Both words are pronounced the same:
Resync: /ˌriːˈsɪŋk/
Re-sync: /ˌriːˈsɪŋk/
The stress usually falls on the second part:
ree-SYNC
The pronunciation does not change whether the word contains a hyphen or not.
Key Differences Between Resync and Re-Sync
The main difference between resync and re-sync is not meaning. The difference is mostly about spelling style and readability.
Main differences:
- Resync is the more common modern spelling.
- Re-sync emphasizes the idea of doing something again.
- Technology companies often prefer resync because it looks cleaner.
- Writers may choose re-sync when they want to avoid confusion.
- Both forms communicate the same action.
Example Comparison
Resync:
- The app will resync automatically.
Meaning:
The app will synchronize again automatically.
Re-sync:
- The app will re-sync automatically.
Meaning:
The app will perform synchronization again.
There is no difference in meaning between these sentences.
Grammar Rules for Resync and Re-Sync
The spelling difference comes from how English handles prefixes.
The prefix re- means:
- again
- back
- anew
Examples:
- rewrite = write again
- rebuild = build again
- reconnect = connect again
- resync = sync again
Many words with re- become single words over time.
Examples:
- restart
- return
- rebuild
- recover
- reconnect
However, some writers still use hyphens with “re-” when they want extra clarity.
Examples:
- re-enter
- re-cover
- re-create
The hyphen can prevent confusion.
For resync, most readers understand the meaning easily, so the one-word form is widely accepted.
American and British English Differences

There is no major American and British English difference for resync or re-sync.
Both varieties of English understand both spellings.
However, modern digital and technology writing commonly favors:
- resync
- resynchronize
- resynchronization
American English technology documentation often uses closed forms.
British English also increasingly accepts closed compounds when they are common.
Examples
American English:
- The device needs to resync.
British English:
- The device needs to resync.
Both are correct.
When to Use Each Word
Resync in Academic Writing
In academic writing, resync may be acceptable when discussing technology, computing, or digital systems.
Examples:
- The software automatically resyncs stored information.
- Researchers used a tool to resync experimental data.
For highly formal writing, some writers may prefer:
- synchronize again
- synchronize the data again
because these phrases are more traditional.
Resync in Professional Writing
Resync is widely accepted in professional communication, especially in:
- software documentation
- technical manuals
- customer support
- IT reports
Examples:
- Please resync your account to restore access.
- The system will resync after the server restart.
Resync in Business Writing
Businesses often use resync when discussing:
- cloud platforms
- databases
- applications
- communication systems
Example:
- Employees should resync their accounts before accessing the updated platform.
Re-Sync in Formal and Informal English
Re-sync can be useful when the writer wants to highlight the repeated action.
Examples:
- After changing the settings, users must re-sync the device.
- You may need to re-sync your files manually.
However, many professional style guides would remove the hyphen.
Preferred:
- resync the device
Also acceptable:
- re-sync the device
Common Mistakes With Resync and Re-Sync
Mistake 1: Thinking Resync Is Incorrect
Some people assume that because they see “re-sync” more often, the one-word form must be wrong.
This is incorrect.
Resync is a standard modern compound word.
Correct:
- I need to resync my account.
Mistake 2: Always Adding a Hyphen
Not every word with the prefix “re-” needs a hyphen.
Incorrect assumption:
- Every word starting with re must have a hyphen.
Correct:
- restart
- rebuild
- resync
Mistake 3: Confusing Resync With Sync
These words have different meanings.
Sync:
- to match or coordinate for the first time
Resync:
- to synchronize again
Examples:
- I need to sync my phone with my computer.
- I need to resync my phone after the update.
Mistake 4: Using Resync When No Previous Sync Happened
The prefix “re-” means again.
Incorrect:
- I will resync my new device for the first time.
Correct:
- I will sync my new device for the first time.
Original Examples of Resync and Re-Sync

- The smartwatch stopped connecting, so I had to resync it with my phone.
- The teacher asked students to resync their online accounts before submitting assignments.
- The company’s software automatically resyncs customer information every night.
- The IT department recommended a resync after the security update.
- The journalist explained that the app failed to resync during the live event.
- My laptop needed to resync files after I restored the backup.
- The business system will resync customer records after maintenance.
- The engineer performed a manual resync to fix the database problem.
- The gaming controller required a re-sync after connecting to another console.
- The user guide explains how to resync the device step by step.
- The author wrote about how technology helps users resync information quickly.
- The news report mentioned that several devices needed to resync after the outage.
- I had to resync my email account after changing my password.
- The social media app may re-sync your settings after an update.
- The company asked employees to resync their work calendars.
- The application failed to resync because the internet connection was unstable.
- The technician showed customers how to resync their smart devices.
- The online platform automatically resyncs saved documents.
Memory Trick to Remember Resync
Use this simple rule:
“If it means sync again and the meaning is clear, write resync.”
Think:
- restart = start again
- rebuild = build again
- resync = sync again
The prefix “re-” often joins the word when readers easily understand the meaning.
Use re-sync only when you want to visually emphasize “again” or avoid possible confusion.
Mini Quiz
1. Which spelling is more common in modern technology writing?
A. Re-sync
B. Resync
C. Re sync
D. ReSynch
Answer: B. Resync
2. What does resync mean?
A. Delete data
B. Synchronize again
C. Stop synchronization
D. Change settings
Answer: B. Synchronize again
3. Which sentence is correct?
A. I need to resync my phone.
B. I need to re sync my phone.
C. I need to resynk my phone.
D. I need too resync my phone.
Answer: A. I need to resync my phone.
4. Why might someone write re-sync?
A. Because it has a different meaning
B. To show the repeated action clearly
C. Because resync is wrong
D. Because sync cannot use prefixes
Answer: B. To show the repeated action clearly
5. Which word means synchronize for the first time?
A. Resync
B. Re-sync
C. Sync
D. Resynced
Answer: C. Sync
Frequently Asked Questions
Is resync one word or two words?
Resync is usually written as one word in modern English, especially in technology and software contexts. Re-sync is also understandable, but the one-word spelling is more common because many words with the prefix “re-” become closed compounds over time.
Is re-sync grammatically correct?
Yes, re-sync is grammatically acceptable. The hyphen separates the prefix “re-” from “sync” and can make the meaning clearer. However, many modern writers prefer resync because it follows current compound word trends.
Should I write resync or re-sync in professional documents?
For most professional and technical documents, resync is the better choice. It looks cleaner and matches common technology terminology. Use re-sync only if your organization’s style guide prefers hyphenated forms or if extra clarity is needed.
Does resync mean the same as synchronize again?
Yes, resync means to synchronize again. It describes the process of making data, devices, or systems match after they have become disconnected, outdated, or incorrect.
Is resync used in American English?
Yes, resync is commonly used in American English. It appears frequently in software instructions, customer support materials, and technical documentation. British English also accepts this spelling.
Is resync a real word?
Yes, resync is a real word used in modern English. It is especially common in computing, mobile technology, cloud services, and digital communication where systems often need to synchronize again.
Key Takeaways
- Resync and re-sync have the same meaning.
- Resync is the more common modern spelling.
- Re-sync is acceptable when the writer wants to emphasize “again.”
- Both words mean to synchronize something again.
- Technology writing usually prefers resync.
- The prefix “re-” often combines with words when the meaning is clear.
- Do not use resync when something is being synchronized for the first time.
Conclusion
Resync or re-sync both describe the action of synchronizing something again after a problem, change, or interruption. However, resync is the preferred modern spelling, especially in technology, software, and professional writing. The hyphenated form re-sync is still acceptable when clarity is important. Understanding this small spelling difference helps you write more accurate and natural English.

I am Daniel Brooks, a language researcher and grammar author passionate about exploring the history, meaning, and correct usage of English words and expressions. I enjoy analyzing confusing grammar rules, spelling differences, and common mistakes that many English learners face. My mission is to provide reliable and easy-to-understand grammar guidance that helps readers improve their communication skills.
I have created detailed learning materials and authored books such as “English Grammar Made Simple: Rules Everyone Should Know” and “The Ultimate English Usage Guide.” I write to make grammar less complicated and more enjoyable for learners at every level.