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.
Ordinarily, the minority party cannot control what legislation gets a vote, but discharge petitions can force one if a majority of House members sign on. Lauren Green, The Washington Examiner, 8 Jan. 2026 The duo has signed on guest stars in upcoming episodes. Andrew McGowan, Variety, 8 Jan. 2026 Jackson, who signed on to represent Nick a day after his arrest, is one of the most prominent lawyers in the country — a savvy criminal defense attorney who previously represented Harvey Weinstein, Kevin Spacey and Karen Read. Winston Cho, HollywoodReporter, 7 Jan. 2026 Still, until Harbaugh signs on the dotted line with the Giants, nothing is guaranteed. Pat Leonard, New York Daily News, 7 Jan. 2026 After Speaker Mike Johnson resisted pressure to allow a vote on the subsidies late last year, a quartet of House Republicans banded together before the holiday break -- signing on to the Democrats' discharge petition to force a vote on an ACA extension, much to the chagrin of GOP leaders. Lauren Peller, ABC News, 7 Jan. 2026 The gated ranch has a private property sign on the road leading into it. J.d. Miles, CBS News, 7 Jan. 2026 By springtime, however, attention turns fully toward you as Uranus and Venus slip into your sign on April 25. Valerie Mesa, PEOPLE, 7 Jan. 2026 When the warrant was signed on Tuesday for Davis’ arrest, James remained in critical condition, police wrote. Justin Muszynski, Hartford Courant, 7 Jan. 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 11 Jan. 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

More from Merriam-Webster on sign on

Last Updated: - Updated example sentences
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