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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
The signatories also asked Bhattacharya to reverse a policy capping indirect costs for research at 15% and to reinstate essential staff who were fired at NIH.
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Mary Kekatos, ABC News, 9 June 2025
Back in November, 2023, Mordechai Alperin, the head of the family-medicine program, had signed an open letter endorsing the bombing of hospitals in Gaza that, the signatories said, were being used by Hamas.
—Eyal Press, New Yorker, 9 June 2025
This third vexatious attempt will fail to do anything other than prove that the signatories have less intelligence —and independent thoughts — than sheep.
—Sophie Clark
shane Croucher, MSNBC Newsweek, 6 June 2025
To speed up the process, the signatories should start with negotiations to establish a formula for tariff reduction.
—Tatsuya Terazawa, Foreign Affairs, 6 June 2025
See All Example Sentences for signatory
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Mary Kekatos, ABC News, 9 June 2025
Back in November, 2023, Mordechai Alperin, the head of the family-medicine program, had signed an open letter endorsing the bombing of hospitals in Gaza that, the signatories said, were being used by Hamas.
—Eyal Press, New Yorker, 9 June 2025
This third vexatious attempt will fail to do anything other than prove that the signatories have less intelligence —and independent thoughts — than sheep.
—Sophie Clark
shane Croucher, MSNBC Newsweek, 6 June 2025
To speed up the process, the signatories should start with negotiations to establish a formula for tariff reduction.
—Tatsuya Terazawa, Foreign Affairs, 6 June 2025
See All Example Sentences for signatory
Cite this Entry
“Signatory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/signatory. Accessed 24 Jun. 2025.
Copy CitationLegal Definition
signatory
noun
sig·na·to·ry
ˈsig-nə-ˌtōr-ē 
plural signatories
: a signer with another or others
signatories to a petition
especially
: a government bound with others by a signed convention
signatory
adjective
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