treaty
n. · v.-
1 international agreement (n.) B2 Upper Intermediate Formal Lawa formal agreement between countries, usually about peace, trade, or working together.
a formal, legally binding agreement concluded by subjects of international law, such as states or international organizations.
ExampleThe two countries signed a peace treaty to end the long war.
ExampleThe environmental treaty requires all signatory nations to reduce their carbon emissions by twenty percent over the next decade.
UsageOften used with verbs like 'sign', 'ratify', or 'violate'.
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2 negotiation process (n.) C2 Proficiency Archaicthe act of discussing or negotiating to reach an agreement.
the process of negotiation or discussion aimed at reaching a settlement or compact.
ExampleThe two kings were in treaty for many months before the borders were fixed.
ExampleThe ambassadors remained in treaty for several weeks, though neither side was willing to concede on the matter of maritime borders.
Teacher's tipThis sense is archaic and mostly found in historical literature; modern speakers use 'negotiations' instead.
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3 to make an agreement (v.) C2 Proficiency Formal Archaic Lawto enter into a formal agreement with another group or country.
to enter into or negotiate a formal treaty; used transitively to describe reaching a state through such an agreement.
ExampleThe tribes attempted to treaty with the settlers to protect their land.
ExampleThe warring factions eventually sought to treaty themselves into a lasting alliance against the common enemy.
UsageUsually functions as an intransitive verb followed by 'with'.
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.