signatory

noun

sig·​na·​to·​ry ˈsig-nə-ˌtȯr-ē How to pronounce signatory (audio)
plural signatories
: a signer with another or others
signatories to a petition
especially : a government bound with others by a signed convention
signatory adjective

Did you know?

A signatory puts his or her signature on a document that is also signed by others. In 1215 the English barons revolted against King John and forced him to join them as a signatory to the Magna Carta. This agreement stated the barons' own duties to the King but also assigned the barons clear rights and limited the King's power over them. Though the Magna Carta did nothing for the common people, it's often been called the first step toward democracy in the English-speaking countries.

Examples of signatory in a Sentence

a signatory of the Declaration of Independence
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.
The committee released an initial statement with 35 signatories. Kathy M. Newman, The Conversation, 8 Oct. 2025 Grijalva has pledged to back that effort and would be the 218th and final signatory needed for a petition to force that vote, joining Democrats and some Republicans. Gabe Whisnant, MSNBC Newsweek, 7 Oct. 2025 This time around, the signatories feature a range of talent like Ben Stiller, Helen Mirren, Spike Lee, Julia Louis-Dreyfus, Larry David, Natalie Portman, Nicolas Cage and Nikki Glaser. Chris Yogerst, HollywoodReporter, 6 Oct. 2025 Another signatory is actor Fran Drescher, who last month ended a term as the president of the SAG-AFTRA union, whose membership includes NPR's journalists. Anastasia Tsioulcas, NPR, 1 Oct. 2025 See All Example Sentences for signatory

Word History

Etymology

Latin signatorius of sealing, from signare

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of signatory was in 1826

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Cite this Entry

“Signatory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/signatory. Accessed 14 Oct. 2025.

Legal Definition

signatory

noun
sig·​na·​to·​ry ˈsig-nə-ˌtōr-ē How to pronounce signatory (audio)
plural signatories
: a signer with another or others
signatories to a petition
especially : a government bound with others by a signed convention
signatory adjective

More from Merriam-Webster on signatory

Last Updated: - Updated example sentences
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