co·​sig·​na·​to·​ry (ˌ)kō-ˈsig-nə-ˌtȯr-ē How to pronounce cosignatory (audio)
: a joint signer

Examples of cosignatory in a Sentence

Recent Examples on the Web The law does not mention Israel rhetoric, but Ukraine is a cosignatory to the IHRA definition of antisemitism, which defines some anti-Israel speech as antisemitic., 28 Sep. 2021 Unitaid and the Bill & Melinda Gates Foundation are listed as cosignatories. Matthew Brown, USA TODAY, 15 May 2020 The Universal Declaration of Human Rights, of which the U.S. is a cosignatory, includes, for example, the right to enjoy asylum from persecution, something that the Trump administration’s immigration policy has not always respected. Alexis Papazoglou, The New Republic, 13 June 2019 Officials said Joash and Stacy were cosignatories on their mothers' savings or checking accounts. Kevin Grasha,, 28 Sep. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cosignatory.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of cosignatory was in 1865

Dictionary Entries Near cosignatory

Cite this Entry

“Cosignatory.” Dictionary, Merriam-Webster, Accessed 26 May. 2024.

Legal Definition


co·​sig·​na·​to·​ry kō-ˈsig-nə-ˌtōr-ē How to pronounce cosignatory (audio)
: a joint signer

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