synchronous

SING-kruh-nuhs /ˈsɪŋ.krə.nəs/
adjectiveC1TOEFLGREIELTS
academicprofessionaltechnical

Existing or occurring at the same time; designative of online interaction happening live in real time.

Highlights live presence, instant feedback, and concurrent participation.

The story behind the word. Formed from Late Latin 'synchronus', from Greek 'syn-' (together) and 'khronos' (time). It described moving parts acting together before entering digital communications.

Word relationships

  • real-time: Informal and technology-focused term for concurrent activity.
  • simultaneous: General term for actions occurring at the same instant.
  • asynchronous: Occurring at different, uncoordinated times.

Commonly confused with

  • asynchronous: Asynchronous allows delayed participation; synchronous requires concurrent engagement.

Word family

  • synchronously (adverb): At the exact same time
  • synchronicity (noun): State of simultaneous occurrence

Collocations

  • synchronous learning
  • synchronous session
  • synchronous interaction

Example sentences

  • "Students must attend three synchronous webinar sessions each month for live debates." Virtual Classroom

Memory hook

SYNC = Together in time, like swimming in sync. Live together in time.

When not to use

Avoid using for pre-recorded videos or self-guided readings.

Fun facts

  • In physics, synchronous orbits describe satellites that orbit Earth at the exact speed Earth rotates.

Related words

asynchronous, remote, virtual

LangBlitz
Take your vocabulary further with LangBlitz

Our English vocabulary app: FSRS spaced repetition, 5,000+ curated words across 119 topic groups, CEFR A1 to C2. Explore your mastery with the beautiful Vocabulary World feature.