Synonyms of 'counterpart'
1 opposite numberDictionary, equal, twin
It is unlikely that his counterpart in India will disagree with him at this point.
The Defence Minister is to visit Japan for talks with his Japanese opposite number.
She was one of the boys, their equal.
the twin of the chair she had at the cottage
the civil administrator of the West Bank and his equivalent in Gaza
His personality made him popular with his peers.
Moira was a perfect match for him.
The guest cabin is a mirror image of its mate.
2 copyDictionary, supplement, complement
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Something that is a complement to something else complements it.
The green wallpaper is the perfect complement to the old pine of the dresser.
If you make a copy of something, you produce something that looks like the original thing.
Always keep a copy of everything in your own files.
Thesaurus for counterpart from the Collins English Thesaurus
Someone's or something's counterpart is another person or thing that has a similar function or position in a different place.