English Reference

Word

synchronization

Phoneticssyn·chro·niza·tion

/ˌsɪŋkɹənəˈzeɪʃən/

UK spelling · synchronisation

Definitions

01happening at the same time

B2 · Upper Intermediate Uncountable noun

n. the state of two or more things happening at exactly the same time or speed.

n. the state or property of being synchronized in time or rate.

“The dancers moved in perfect synchronization with the music.”

“The synchronization of the two clocks was essential for the experiment to yield accurate data regarding the speed of the particles.”

Synonyms

coordinationsimultaneityalignment

Antonyms

desynchronization

02digital data matching

B2 · Upper Intermediate Uncountable noun Computing Technical

n. making sure that data on two different devices, like your phone and computer, is the same.

n. the process of ensuring that data sets in two or more locations are identical and updated simultaneously.

“The synchronization of my contacts across all my devices took only a few seconds.”

“Cloud-based synchronization allows multiple users to collaborate on the same document without creating conflicting versions of the file.”

Synonyms

03military coordination

C1 · Advanced Uncountable noun Law Technical · Formal

n. organizing different military groups so they attack or move at the right time and place together.

n. the arrangement of military actions in time, space, and purpose to produce maximum relative combat power at a decisive point.

“The general emphasized that synchronization between the air force and the army was the key to victory.”

“Effective synchronization of multi-domain operations requires seamless communication between disparate units to exploit brief windows of tactical advantage.”

Real-World Examples

“As their numbers grew, more cells pulsed together, and their synchronization increased, up to a point.”
Phys.org 14 Aug 2026
“This triggers a synchronization capability in GPM that allows users to transfer all stored passkeys to a new device.”
Ars Technica 11 Aug 2026
“The more a workload requires coordination or synchronization between satellites, the more satellite-to-satellite latency becomes an issue.”
Ars Technica 15 Jul 2026

Etymology

From synchronize + -ation.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

synchronization(C1)

Domain

Military

This entry

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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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English Reference