Find Antonyms

signatory Antonyms

Opposite of signatory

Because the opposite of signatory shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
JUMP TO:

• noun (Context 1)

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

Usage Example

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

Strongest
nonsignatory

• adjective (Context 2)

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

Usage Example

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

Strongest
nonsignatory

Similar words to signatory

Words similar to signatory shift depending on context. Common synonyms include:

signer
signee
contracting
subscriber
ratifying
undersigned
subscribing
cosignatory
See all synonyms of signatory

• Nearby Words

sign
signable
signal
signatory
signature
significance
significant

Cite this Entry

Wordmom. (2026). Antonyms for Signatory. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/signatory
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.