# online

> English word · Adjective · IPA /ˈɒnlaɪn/ · frequency rank #659

## Definitions
1. Of a system: connected (generally electrically) to a larger network.
2. Of a system: connected (generally electrically) to a larger network.
3. Available over, or delivered from, the Internet.
4. Connected to the Internet.
5. Available on a computer system, even if not networked.
6. Of a system: active, particularly building facilities (such as power) or a factory or power plant.
7. Immersed in Internet culture. (Usually modified by an intensifier such as extremely or terminally)

## Etymology
1950, from on + line.

## Easily confused with
- **onsite** (https://plainspell.com/en/vs/online-vs-onsite)
- **onside** (https://plainspell.com/en/vs/online-vs-onside)
- **outline** (https://plainspell.com/en/vs/online-vs-outline)
- **olive** (https://plainspell.com/en/vs/olive-vs-online)
- **ollie** (https://plainspell.com/en/vs/ollie-vs-online)
- **oblige** (https://plainspell.com/en/vs/oblige-vs-online)
- **offline** (https://plainspell.com/en/vs/offline-vs-online)

## Common misspellings (8)
`noline`, `olnine`, `onilne`, `onlien`, `onlinne`, `onlline`, `onlnie`, `onnline`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/online