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.
Sun purchased a total of seventy-five million dollars’ worth of World Liberty tokens, and signed on as an adviser to the company. David D. Kirkpatrick, New Yorker, 2 July 2026 In January, OneFlight International signed on as the official private aviation partner of the McLaren Mastercard Formula 1 Team. Doug Gollan, Forbes.com, 1 July 2026 Roberts once signed on to a Kagan dissent that assailed the shadow docket. Ken B. Morales, ProPublica, 1 July 2026 Liccardo has focused on working across the aisle since being elected in 2024 and said that having Timmons and Salazar sign on will help the legislation move forward. Grace Hase, Mercury News, 1 July 2026 She is expected to sign on with CNN competitor MS NOW, according to people familiar with her plans who were not authorized to comment publicly. Los Angeles Times, 1 July 2026 Today, two of the four interpretive signs on the site, the only indication of what lies beneath, are faded to illegibility. Andres Viglucci, Miami Herald, 30 June 2026 Both Espaillat and Goldman had signed on to the Ultra-Millionaire Tax Act and the Equal Tax Act. Max Zahn, ABC News, 30 June 2026 No one seems happy with the Israel-Lebanon ceasefire signed on Friday, which is already facing challenges. Tom Chivers, semafor.com, 29 June 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 5 Jul. 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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