nonsigner

/ˌnɑnˈsaɪnər/
noun
  1. A person or organization that does not sign a particular agreement, treaty, or contract.
    • As a nonsigner of the peace treaty, the rebel group continued its attacks.
    • The company was a nonsigner of the industry's voluntary safety guidelines.
    • Several countries remained nonsigners of the climate accord, citing economic concerns.
Antonyms
What does "nonsigner" mean? | whatsthatwordmean | whatsthatwordmean