Word
sync
US/ˈsɪŋk/
UK/sˈɪŋk/
Definitions
01to match data or timing
B2 · Upper Intermediate Computing Informal
v. to make two or more things happen at the same time or have the same information.
v. to synchronize data, settings, or timing across multiple devices or platforms to ensure consistency.
“I need to sync my phone with my laptop to get my new photos.”
“The application will automatically sync your progress across all registered devices whenever a stable internet connection is detected.”
Usage
Often used with the preposition 'with'.
Synonyms
02working together perfectly
B2 · Upper Intermediate Uncountable noun Informal
n. the state of two things matching or working together at the same time.
n. the state of synchronization or harmony between two or more elements.
“The sound and the video were out of sync during the movie.”
“The marketing and sales departments need to be in sync if the product launch is to be successful.”
Usage
Commonly found in the fixed phrases 'in sync' or 'out of sync'.
Synonyms
03music for video
C1 · Advanced Countable noun Music Technical · Informal
n. a license that allows a song to be used in a movie, show, or advertisement.
n. a music synchronization license permitting the use of a composition in timed relation with visual media.
“The band made more money from the commercial sync than from record sales.”
“Securing a high-profile sync in a popular streaming series can significantly boost an independent artist's monthly listeners.”
Teaching tip
This is industry jargon used by professionals in the music and film business.
Synonyms
Real-World Examples
“Notifications sync via iCloud to other devices running iOS/iPadOS/macOS 27.” “What could cause a galaxy to be so out of sync?” Etymology
Clipping of synchronization.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Frequent
- Level
- B2 · Upper Intermediate
- Updated
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englishreference.com/q/sync