# sign on

> English word · Verb

## Definitions
1. To join something, after signing.
2. To commit oneself, as to a project, a goal, an organization, a cause.
3. To begin broadcasting a radio or television signal, usually at the beginning of a broadcasting day and after being off the air for several hours.
4. To log on; to start using a computer, radio, or other multicast device; to start talking.
5. To apply to receive unemployment benefits.

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