sign on

verb

signed on; signing on; signs on
Synonyms of sign onnext

intransitive verb

1
: to engage oneself by or as if by a signature
signed on to the new project
2
: to announce the start of broadcasting for the day
sign-on
ˈsī-ˌnȯn How to pronounce sign on (audio)
-ˌnän
noun

Examples of sign on in a Sentence

I signed on for the crew team simply as a lark
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Vance said some countries have signed on to the trading bloc, which is designed to ensure stable prices and will provide members access to financing and the critical minerals. Didi Tang, Arkansas Online, 5 Feb. 2026 The deal was signed on the sidelines of the LNG 2026 conference in Doha and covers up to 3 million tons of LNG a year, starting in 2028. Dominic Dudley, semafor.com, 4 Feb. 2026 Meanwhile, Esposito has signed on to direct female-centric crime drama Shake, written by Ryan Binaco. Glenn Garner, Deadline, 4 Feb. 2026 Another option would be waiting to the March 1 deadline for players to be waived elsewhere in order to be signed on the buyout market. Ira Winderman, Sun Sentinel, 4 Feb. 2026 Vance said some countries have signed on the trading bloc, which is designed to ensure stable prices and will provide members access to financing and the critical minerals. Didi Tang, Los Angeles Times, 4 Feb. 2026 Hornsby was one of nine from Smithson Valley who signed on Wednesday. David Hinojosa, San Antonio Express-News, 4 Feb. 2026 England youth international Ajay Tavares, a 16-year-old winger who also has a Portuguese passport, is expected to arrive from Norwich, while 19-year-old Uruguay youth international Patricio Pacifico has been signed on loan with an option to buy from Defensor Sporting Club. Pol Ballús, New York Times, 4 Feb. 2026 David Letterman has signed on to executive produce Say Hello to Our Good Friend Paul Shaffer, an upcoming feature documentary about his longtime sidekick and Late Show bandleader. Etan Vlessing, HollywoodReporter, 3 Feb. 2026

Word History

First Known Use

1879, in the meaning defined at sense 1

Time Traveler
The first known use of sign on was in 1879

Cite this Entry

“Sign on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sign%20on. Accessed 6 Feb. 2026.

Kids Definition

sign on

verb
(ˈ)sī-ˈnȯn
-ˈnän
1
: to hire oneself by or as if by a signature
signed on as a member of the crew
2
: to announce the beginning of broadcasting

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