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Definition of signatory

signatory

/ˈsɪɡ.nəˌtɔːr.i/
sig · na · to · ry

Plural:signatories
•
Adjective:signatory
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signatory Lexical Profile

signatory Game Scores & Validity

• noun

1

A person, organization, or state that has signed an official document, treaty, convention, or legal contract, thereby becoming bound by its terms.

Example

"Over a hundred countries became signatories to the international treaty banning the use of chemical substances in agriculture."

Synonyms
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• adjective

1

Having signed or joined in signing a formal document, treaty, or legally binding agreement.

Example

"All signatory nations are legally obligated to reduce their carbon emissions under the terms of the climate accord."

Synonyms
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Word Nuance & Usage

While 'signer' can refer to anyone who signs a document (or someone who uses sign language), 'signatory' is reserved for formal, legal, or diplomatic contexts, such as nations or organizations signing a treaty or accord.

• Rhymes for signatory

Word Origin & Etymology

Borrowed from Late Latin 'signatorius' ('of or used for sealing'), from Latin 'signare' ('to mark with a seal or stamp'), ultimately derived from 'signum' ('mark, token, or seal').

Cite this Entry


Wordmom. (2026). Definition of Signatory. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/signatory
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