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Synonyms of sign on

3 similar words · 4 opposite words

Another word for sign on is log in. Other synonyms of sign on are log on and sign in.

Synonyms and similar words for sign on

verbTo log on; to start using a computer, radio, or other multicast device; to start talking.

log inTo gain access to a computer system, usually by providing a previously registered username and password.
log on
sign in

Opposite of sign on

verbTo log on; to start using a computer, radio, or other multicast device; to start talking.

log off
log outTo exit a user account in a computer system, so that one is not recognized until signing in again.
sign offTo log off; to stop using a computer, radio, etc.; especially, to stop talking.
sign outTo sign one's name as an indication that one is leaving some location; to take some action to indicate one is leaving a...

Meaning of sign on

verb To join something, after signing.
verb To commit oneself, as to a project, a goal, an organization, a cause.
verb 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.

Full definition of sign on

Questions about synonyms of sign on

What is another word for sign on?: Sign on has 3 synonyms on Word.ws, such as log in, log on and sign in.
What is the opposite of sign on?: The opposite of sign on is log off. Other antonyms of sign on are log out, sign off and sign out.
What does sign on mean?: Sign on means to join something, after signing.

Adapted from Wiktionary: sign on (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Synonyms of sign on.” Word.ws, https://word.ws/synonyms/sign_on. Based on Wiktionary, CC BY-SA 4.0.