cosignatory

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noun

Any of several people who sign a document together (especially a treaty)

Similar
jointcosigner
Scrabble 17
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Meanings

nouncosignatory (plural cosignatories)

plural cosignatories

  1. Any of several people who sign a document together (especially a treaty)
adjectivecosignatory (not comparable)
  1. not comparablesigned or signing jointly

Synonyms & antonyms

adjectivesigning jointly with others

Similar
joint

nounone of two or more signers of the same document (as a treaty or declaration)

Similar
cosigner
Broader
signersignatory
Also see
cosigner

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From co- + signatory.

Full word history & related roots →

Translations

Dutch medeondertekenaar
  • medeondertekenaarany of several people who sign a document together
Finnish allekirjoittaja, yksi allekirjoittajista
  • allekirjoittajaany of several people who sign a document together
  • yksi allekirjoittajistaany of several people who sign a document together
French cosignataire
  • cosignataireany of several people who sign a document together
German Mitunterzeichner
  • Mitunterzeichnerany of several people who sign a document together
Italian cofirmatario, cofirmatario
  • cofirmatarioany of several people who sign a document together
  • cofirmatariosigned jointly
Polish konsygnatariusz
  • konsygnatariuszany of several people who sign a document together
Romanian cosemnatar
  • cosemnatarany of several people who sign a document together
Tagalog kalagda
  • kalagdaany of several people who sign a document together
Cite this entry
APA

cosignatory. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cosignatory

MLA

“cosignatory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cosignatory. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “cosignatory,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cosignatory.

Source: cosignatory on Wiktionary, CC BY-SA 4.0.