sign on

verb

signed on; signing on; signs on

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.
Several major media outlets have refused to sign on to the terms of the Pentagon’s new restrictive press policy, with the department threatening to take press passes by Wednesday without signatures. Jared Gans, The Hill, 14 Oct. 2025 In addition to the assault case, Ephron’s new legal team, led by Aaron Morris and Andrew Robertson, also signed on to represent Ephron in his related defamation lawsuit filed against Mayers and the musician’s criminal defense lawyer, Joe Tacopina. Nancy Dillon, Rolling Stone, 14 Oct. 2025 The firm was the recipient of city contracts worth up to $535,000 that Cook personally signed on behalf of the mayor’s office during his time as chief of staff. IndyStar, 13 Oct. 2025 His suggestion comes alongside a threat to pull state funding immediately from schools in California who opt to sign on. Douglas Schoen, Oc Register, 13 Oct. 2025 Officials from former Democratic Administrations didn’t exactly sign on to this Frankenstein-like narrative. Emma Green, New Yorker, 13 Oct. 2025 Beyond the big cable and broadcast networks, Reuters, The Associated Press, The New York Times, The Washington Post, The Atlantic and NPR have all said that journalists from their newsrooms will not sign on to the Pentagon’s restrictions. Brian Stelter, CNN Money, 13 Oct. 2025 Venus, your ruling planet, enters your sign on the 13th and suddenly the spotlight is squarely on you. Dossé-Via Trenou, Refinery29, 12 Oct. 2025 The Fox sign on the studio says that they are now owned by Disney. Zoe Kaplan, PEOPLE, 11 Oct. 2025

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 20 Oct. 2025.

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

More from Merriam-Webster on sign on

Last Updated: - Updated example sentences
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