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online

/ˈɒn.laɪn/
IELTSAcademic
adjective

Connected to the internet or available through the internet. It can also mean happening on the internet, not in a physical place.

  • I found the form online.
  • We had an online meeting yesterday.
  • This course is available online.
adverb

Using the internet or on the internet. It is often used after verbs like go, buy, or apply.

  • You can apply online.
  • She shops online every week.
  • The report is online now.
noun

The online world or online activity, especially as a place where people communicate, work, or study.

  • The story spread across the online.
  • He is active online.
  • Online can be useful for research.

Adinary Nuance

Online is broader than digital, which can also mean using computer data or technology in general. It is more specific than virtual, which often suggests something simulated or not physically present. Online focuses on internet connection or internet-based activity. In modern English, it is common in both everyday speech and business writing.

In other languages

Vietnamese
trực tuyến
Spanish
en línea
Chinese
在线
Japanese
オンライン
Korean
온라인

Etymology

Online appeared in English in the mid-20th century, from on + line. It first described equipment connected to a system, then later the internet.

Common phrases

online meetingonline shoppinggo onlineonline application

Synonyms

Related words

Frequently asked questions

Is online more formal or informal?
It is neutral. You can use it in casual speech, school, and business writing.
What is the difference between online and virtual?
Online means connected to the internet. Virtual means not physically real, or created by software.
Can I say 'I am online' in English?
Yes. It means you are connected to the internet or available on a device.
Is online used as an adjective and an adverb?
Yes. You can say 'online classes' and 'apply online'.