Either of two parts that fit together, or complement one another. / (law) A duplicate of a legal document. / One who or that which resembles another.

(transitive) To counterbalance.

plural of counterpart

simple past tense and past participle of counterpart

present participle of counterpart

(metaphysics) An alternative to standard possible worlds semantics in which an individual can exist in only one world, while other possible worlds contain (different) counterparts to that individual, and in which the modality operators (necessity, possibility) are replaced by quantifiers over possible worlds.

(finance, insurance, law) The other party to a financial transaction

plural of counterparty