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Definitions

signatory

[sig-nuh-tawr-ee, -tohr-ee] / ˈsɪg nəˌtɔr i, -ˌtoʊr i /


NOUN
signer
Synonyms


NOUN
undersigned
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Iran is also a signatory to the Nuclear Non-Proliferation Treaty, which makes the same pledge.

From Slate • Feb. 27, 2026

"People were saying: 'Well, kids are getting more anxious. There must be a reason -- let's ban social media'," argued one signatory, Axel Bruns, a digital media professor at Queensland University of Technology.

From Barron's • Dec. 1, 2025

Around that time, both Kahn and Indyke had signatory authority on some accounts.

From The Wall Street Journal • Nov. 23, 2025

My favorite part: A demand that the sky-high tuition of signatory universities be frozen for five years.

From Los Angeles Times • Oct. 5, 2025

On the morning of March 7, thirty thousand German troops had rolled into the demilitarized Rhineland, in open defiance of both the Treaty of Versailles and the Locarno Pact to which Germany was a signatory.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown