counterpart.
Either of two parts that fit together or otherwise complement one another.
Meaning & usage
Either of two parts that fit together or otherwise complement one another.
Those brass knobs and their hollow counterparts interlock perfectly.
A duplicate of a legal document.
One who or that which resembles another.
One who or that which has corresponding functions or characteristics.
Her French counterpart attended the meeting via video call.
The two companies are working together with their respective counterparts in Asia.
Either half of a flattened fossil when the rock has split along the plane of the fossil.
Where this word comes from
From Middle English conterpart, countre parte (“duplicate of a legal document”), equivalent to counter- + part. Compare Old French contrepartie, itself from contre (“facing, opposite”) (from Latin contra (“against”)) + partie (“copy of a person or thing”) (originally past participle of partīre (“to divide”)).
To counterbalance.
Where this word comes from
From Middle English conterpart, countre parte (“duplicate of a legal document”), equivalent to counter- + part. Compare Old French contrepartie, itself from contre (“facing, opposite”) (from Latin contra (“against”)) + partie (“copy of a person or thing”) (originally past participle of partīre (“to divide”)).
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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.