treaty.
A formal binding agreement concluded by subjects of international law, namely, states and international organizations; a convention, a pact.
Meaning & usage
A formal binding agreement concluded by subjects of international law, namely, states and international organizations; a convention, a pact.
to sign a peace treaty
to write up a treaty touching climate change
Chiefly in in treaty: discussions or negotiations in order to reach an agreement.
Chiefly in private treaty: an agreement or settlement reached following negotiations; a compact, a contract, a covenant.
The manner or process of treating someone or something; treatment; also, the manner in which someone or something acts or behaves; behaviour.
The addressing or consideration of a subject; discussion, treatment.
A formal, systematic discourse on some subject; a treatise.
An act of beseeching or entreating; an entreaty, a plea, a request.
Where this word comes from
The noun is derived from Middle English trete, trety (“bargaining, negotiation; discussion; conference, meeting; entreaty, persuasion; agreement, contract, covenant; arrangement, settlement; agreement between two rulers, states, etc.; written work on a particular subject, treatise; subdivision of a written work, section”) [and other forms], from Anglo-Norman treté, traité, treaté, and Old French traité, traitié [and other forms] (modern French traité (“agreement between two rulers, states, etc.; treatise”)); traité or traitié is: * a noun use of the past participle of traiter (“to treat; to deal with, handle”), from Latin tractāre, the present active infinitive of tractō (“to drag, haul, tug; to handle, manage; to debate, discuss; to exercise, practise; to perform, transact”), from trahō (“to drag, pull”) + -tō (frequentative suffix); and * also from Latin tractātum (“written work on a particular subject, treatise”), from Latin tractātus (“dragged, hauled, tugged; handled, managed; exercised, practised; performed, transacted”), the perfect passive participle of tractō (see above). The verb is derived from the noun.
To get into (a specific situation) through a treaty.
To enter into a treaty.
Where this word comes from
The noun is derived from Middle English trete, trety (“bargaining, negotiation; discussion; conference, meeting; entreaty, persuasion; agreement, contract, covenant; arrangement, settlement; agreement between two rulers, states, etc.; written work on a particular subject, treatise; subdivision of a written work, section”) [and other forms], from Anglo-Norman treté, traité, treaté, and Old French traité, traitié [and other forms] (modern French traité (“agreement between two rulers, states, etc.; treatise”)); traité or traitié is: * a noun use of the past participle of traiter (“to treat; to deal with, handle”), from Latin tractāre, the present active infinitive of tractō (“to drag, haul, tug; to handle, manage; to debate, discuss; to exercise, practise; to perform, transact”), from trahō (“to drag, pull”) + -tō (frequentative suffix); and * also from Latin tractātum (“written work on a particular subject, treatise”), from Latin tractātus (“dragged, hauled, tugged; handled, managed; exercised, practised; performed, transacted”), the perfect passive participle of tractō (see above). The verb is derived from the noun.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.