Definition

1. Noun:
   • A formally concluded and ratified agreement between countries: A "treaty" is a formal, written contract under international law, typically negotiated between sovereign states or international organizations.
   • A formal agreement or contract: In a broader, often historical context, it can refer to any formal agreement between parties.

Usage

• A "treaty" is a formal, binding document in international relations. It is the highest form of agreement between states and is governed by international law. Treaties are used to establish peace, regulate trade, define borders, and set international standards.
• The word is typically used with verbs like "sign," "ratify," "negotiate," "violate," or "uphold." It is often modified by its purpose, e.g., "peace treaty," "trade treaty."

Examples

• Noun:
  • The two nations signed a treaty to reduce nuclear arms.
  • The peace treaty ended the decade-long war.
  • The country is a party to several international environmental treaties.

Advanced Usage

• "To be in treaty with (someone)": An older or more formal phrase meaning to be in negotiation with someone.
  • The company is in treaty with the government for the land rights.
• "By private treaty": Refers to a sale or agreement made by direct negotiation between parties, not through public auction.
  • The estate was sold by private treaty.

Variants and Related Words

• Treaty port (n): A port that a country is obliged by treaty to keep open to foreign trade, especially in 19th-century China and Japan.
• Treaty-making power (n): The constitutional authority to negotiate and ratify treaties.

Synonyms

• Pact: A formal agreement, similar to a treaty but can be less formal or between any parties.
• Accord: A formal agreement, especially one between nations.
• Convention: A formal agreement between states on a specific matter (e.g., the Geneva Conventions).
• Compact: A formal agreement or contract.

Antonyms

• Hostilities: A state of conflict, the opposite condition that a peace treaty aims to end.
• Breach: The act of breaking an agreement.

Related Phrases

• Breach of treaty: The violation of the terms of a treaty.
  • The invasion was considered a clear breach of treaty.
• Treaty obligation: A duty or commitment arising from a treaty.
  • The aid was provided as part of a treaty obligation.

Noun

1. a written agreement between two states or sovereigns